391138866745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9803}}^1\times {\mathrm{16871}}^1$

素因数の和:26733

約数の個数: 32

約数和(自身を含む): 524028662784

約数和(自身を除く): 132889796039

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 9803, 16871, 49015, 84355, 107833, 185581, 421529, 539165, 725453, 927905, 2107645, 3627265, 4636819, 7979983, 23184095, 39899915, 165386413, 826932065, 1819250543, 7111615759, 9096252715, 35558078795, 78227773349, 391138866745]

約数ペア:

[(1, 391138866745), (5, 78227773349), (11, 35558078795), (43, 9096252715), (55, 7111615759), (215, 1819250543), (473, 826932065), (2365, 165386413), (9803, 39899915), (16871, 23184095), (49015, 7979983), (84355, 4636819), (107833, 3627265), (185581, 2107645), (421529, 927905), (539165, 725453)]