638371013

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1\times {\mathrm{983}}^1$

素因数の和:1924

約数の個数: 16

約数和(自身を含む): 737669376

約数和(自身を除く): 99298363

約数列:

[1, 7, 113, 791, 821, 983, 5747, 6881, 92773, 111079, 649411, 777553, 807043, 5649301, 91195859, 638371013]

約数ペア:

[(1, 638371013), (7, 91195859), (113, 5649301), (791, 807043), (821, 777553), (983, 649411), (5747, 111079), (6881, 92773)]