1997665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 2592000

約数和(自身を除く): 594335

約数列:

[1, 5, 23, 29, 115, 145, 599, 667, 2995, 3335, 13777, 17371, 68885, 86855, 399533, 1997665]

約数ペア:

[(1, 1997665), (5, 399533), (23, 86855), (29, 68885), (115, 17371), (145, 13777), (599, 3335), (667, 2995)]