621644270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3389}}^1$

素因数の和:3509

約数の個数: 64

約数和(自身を含む): 1291671360

約数和(自身を除く): 670027090

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 83, 85, 130, 166, 170, 221, 415, 442, 830, 1079, 1105, 1411, 2158, 2210, 2822, 3389, 5395, 6778, 7055, 10790, 14110, 16945, 18343, 33890, 36686, 44057, 57613, 88114, 91715, 115226, 183430, 220285, 281287, 288065, 440570, 562574, 576130, 748969, 1406435, 1497938, 2812870, 3656731, 3744845, 4781879, 7313462, 7489690, 9563758, 18283655, 23909395, 36567310, 47818790, 62164427, 124328854, 310822135, 621644270]

約数ペア:

[(1, 621644270), (2, 310822135), (5, 124328854), (10, 62164427), (13, 47818790), (17, 36567310), (26, 23909395), (34, 18283655), (65, 9563758), (83, 7489690), (85, 7313462), (130, 4781879), (166, 3744845), (170, 3656731), (221, 2812870), (415, 1497938), (442, 1406435), (830, 748969), (1079, 576130), (1105, 562574), (1411, 440570), (2158, 288065), (2210, 281287), (2822, 220285), (3389, 183430), (5395, 115226), (6778, 91715), (7055, 88114), (10790, 57613), (14110, 44057), (16945, 36686), (18343, 33890)]