81997344

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 216

約数和(自身を含む): 277545996

約数和(自身を除く): 195548652

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 96, 99, 104, 117, 121, 132, 143, 144, 156, 176, 181, 198, 208, 234, 242, 264, 286, 288, 312, 352, 362, 363, 396, 416, 429, 468, 484, 528, 543, 572, 624, 724, 726, 792, 858, 936, 968, 1056, 1086, 1089, 1144, 1248, 1287, 1448, 1452, 1573, 1584, 1629, 1716, 1872, 1936, 1991, 2172, 2178, 2288, 2353, 2574, 2896, 2904, 3146, 3168, 3258, 3432, 3744, 3872, 3982, 4344, 4356, 4576, 4706, 4719, 5148, 5792, 5808, 5973, 6292, 6516, 6864, 7059, 7964, 8688, 8712, 9412, 9438, 10296, 11616, 11946, 12584, 13032, 13728, 14118, 14157, 15928, 17376, 17424, 17919, 18824, 18876, 20592, 21177, 21901, 23892, 25168, 25883, 26064, 28236, 28314, 31856, 34848, 35838, 37648, 37752, 41184, 42354, 43802, 47784, 50336, 51766, 52128, 56472, 56628, 63712, 65703, 71676, 75296, 75504, 77649, 84708, 87604, 95568, 103532, 112944, 113256, 131406, 143352, 151008, 155298, 169416, 175208, 191136, 197109, 207064, 225888, 226512, 232947, 262812, 284713, 286704, 310596, 338832, 350416, 394218, 414128, 453024, 465894, 525624, 569426, 573408, 621192, 677664, 700832, 788436, 828256, 854139, 931788, 1051248, 1138852, 1242384, 1576872, 1708278, 1863576, 2102496, 2277704, 2484768, 2562417, 3153744, 3416556, 3727152, 4555408, 5124834, 6307488, 6833112, 7454304, 9110816, 10249668, 13666224, 20499336, 27332448, 40998672, 81997344]

約数ペア:

[(1, 81997344), (2, 40998672), (3, 27332448), (4, 20499336), (6, 13666224), (8, 10249668), (9, 9110816), (11, 7454304), (12, 6833112), (13, 6307488), (16, 5124834), (18, 4555408), (22, 3727152), (24, 3416556), (26, 3153744), (32, 2562417), (33, 2484768), (36, 2277704), (39, 2102496), (44, 1863576), (48, 1708278), (52, 1576872), (66, 1242384), (72, 1138852), (78, 1051248), (88, 931788), (96, 854139), (99, 828256), (104, 788436), (117, 700832), (121, 677664), (132, 621192), (143, 573408), (144, 569426), (156, 525624), (176, 465894), (181, 453024), (198, 414128), (208, 394218), (234, 350416), (242, 338832), (264, 310596), (286, 286704), (288, 284713), (312, 262812), (352, 232947), (362, 226512), (363, 225888), (396, 207064), (416, 197109), (429, 191136), (468, 175208), (484, 169416), (528, 155298), (543, 151008), (572, 143352), (624, 131406), (724, 113256), (726, 112944), (792, 103532), (858, 95568), (936, 87604), (968, 84708), (1056, 77649), (1086, 75504), (1089, 75296), (1144, 71676), (1248, 65703), (1287, 63712), (1448, 56628), (1452, 56472), (1573, 52128), (1584, 51766), (1629, 50336), (1716, 47784), (1872, 43802), (1936, 42354), (1991, 41184), (2172, 37752), (2178, 37648), (2288, 35838), (2353, 34848), (2574, 31856), (2896, 28314), (2904, 28236), (3146, 26064), (3168, 25883), (3258, 25168), (3432, 23892), (3744, 21901), (3872, 21177), (3982, 20592), (4344, 18876), (4356, 18824), (4576, 17919), (4706, 17424), (4719, 17376), (5148, 15928), (5792, 14157), (5808, 14118), (5973, 13728), (6292, 13032), (6516, 12584), (6864, 11946), (7059, 11616), (7964, 10296), (8688, 9438), (8712, 9412)]