211345968

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 608889600

約数和(自身を除く): 397543632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 38, 48, 57, 58, 61, 76, 87, 114, 116, 122, 131, 152, 174, 183, 228, 232, 244, 262, 304, 348, 366, 393, 456, 464, 488, 524, 551, 696, 732, 786, 912, 976, 1048, 1102, 1159, 1392, 1464, 1572, 1653, 1769, 2096, 2204, 2318, 2489, 2928, 3144, 3306, 3477, 3538, 3799, 4408, 4636, 4978, 5307, 6288, 6612, 6954, 7076, 7467, 7598, 7991, 8816, 9272, 9956, 10614, 11397, 13224, 13908, 14152, 14934, 15196, 15982, 18544, 19912, 21228, 22794, 23973, 26448, 27816, 28304, 29868, 30392, 31964, 33611, 39824, 42456, 45588, 47946, 55632, 59736, 60784, 63928, 67222, 72181, 84912, 91176, 95892, 100833, 119472, 127856, 134444, 144362, 151829, 182352, 191784, 201666, 216543, 231739, 268888, 288724, 303658, 383568, 403332, 433086, 455487, 463478, 537776, 577448, 607316, 695217, 806664, 866172, 910974, 926956, 1154896, 1214632, 1390434, 1613328, 1732344, 1821948, 1853912, 2429264, 2780868, 3464688, 3643896, 3707824, 4403041, 5561736, 7287792, 8806082, 11123472, 13209123, 17612164, 26418246, 35224328, 52836492, 70448656, 105672984, 211345968]

約数ペア:

[(1, 211345968), (2, 105672984), (3, 70448656), (4, 52836492), (6, 35224328), (8, 26418246), (12, 17612164), (16, 13209123), (19, 11123472), (24, 8806082), (29, 7287792), (38, 5561736), (48, 4403041), (57, 3707824), (58, 3643896), (61, 3464688), (76, 2780868), (87, 2429264), (114, 1853912), (116, 1821948), (122, 1732344), (131, 1613328), (152, 1390434), (174, 1214632), (183, 1154896), (228, 926956), (232, 910974), (244, 866172), (262, 806664), (304, 695217), (348, 607316), (366, 577448), (393, 537776), (456, 463478), (464, 455487), (488, 433086), (524, 403332), (551, 383568), (696, 303658), (732, 288724), (786, 268888), (912, 231739), (976, 216543), (1048, 201666), (1102, 191784), (1159, 182352), (1392, 151829), (1464, 144362), (1572, 134444), (1653, 127856), (1769, 119472), (2096, 100833), (2204, 95892), (2318, 91176), (2489, 84912), (2928, 72181), (3144, 67222), (3306, 63928), (3477, 60784), (3538, 59736), (3799, 55632), (4408, 47946), (4636, 45588), (4978, 42456), (5307, 39824), (6288, 33611), (6612, 31964), (6954, 30392), (7076, 29868), (7467, 28304), (7598, 27816), (7991, 26448), (8816, 23973), (9272, 22794), (9956, 21228), (10614, 19912), (11397, 18544), (13224, 15982), (13908, 15196), (14152, 14934)]