81993912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3413}}^1$

素因数の和:3453

約数の個数: 128

約数和(自身を含む): 275304960

約数和(自身を除く): 193311048

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 858, 924, 1001, 1092, 1144, 1716, 1848, 2002, 2184, 3003, 3413, 3432, 4004, 6006, 6826, 8008, 10239, 12012, 13652, 20478, 23891, 24024, 27304, 37543, 40956, 44369, 47782, 71673, 75086, 81912, 88738, 95564, 112629, 133107, 143346, 150172, 177476, 191128, 225258, 262801, 266214, 286692, 300344, 310583, 354952, 450516, 488059, 525602, 532428, 573384, 621166, 788403, 901032, 931749, 976118, 1051204, 1064856, 1242332, 1464177, 1576806, 1863498, 1952236, 2102408, 2484664, 2928354, 3153612, 3416413, 3726996, 3904472, 5856708, 6307224, 6832826, 7453992, 10249239, 11713416, 13665652, 20498478, 27331304, 40996956, 81993912]

約数ペア:

[(1, 81993912), (2, 40996956), (3, 27331304), (4, 20498478), (6, 13665652), (7, 11713416), (8, 10249239), (11, 7453992), (12, 6832826), (13, 6307224), (14, 5856708), (21, 3904472), (22, 3726996), (24, 3416413), (26, 3153612), (28, 2928354), (33, 2484664), (39, 2102408), (42, 1952236), (44, 1863498), (52, 1576806), (56, 1464177), (66, 1242332), (77, 1064856), (78, 1051204), (84, 976118), (88, 931749), (91, 901032), (104, 788403), (132, 621166), (143, 573384), (154, 532428), (156, 525602), (168, 488059), (182, 450516), (231, 354952), (264, 310583), (273, 300344), (286, 286692), (308, 266214), (312, 262801), (364, 225258), (429, 191128), (462, 177476), (546, 150172), (572, 143346), (616, 133107), (728, 112629), (858, 95564), (924, 88738), (1001, 81912), (1092, 75086), (1144, 71673), (1716, 47782), (1848, 44369), (2002, 40956), (2184, 37543), (3003, 27304), (3413, 24024), (3432, 23891), (4004, 20478), (6006, 13652), (6826, 12012), (8008, 10239)]