1972862785

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{81071}}^1$

素因数の和:81264

約数の個数: 16

約数和(自身を含む): 2459400192

約数和(自身を除く): 486537407

約数列:

[1, 5, 31, 155, 157, 785, 4867, 24335, 81071, 405355, 2513201, 12566005, 12728147, 63640735, 394572557, 1972862785]

約数ペア:

[(1, 1972862785), (5, 394572557), (31, 63640735), (155, 12728147), (157, 12566005), (785, 2513201), (4867, 405355), (24335, 81071)]