520142021

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{3697}}^1$

素因数の和:4004

約数の個数: 16

約数和(自身を含む): 603513600

約数和(自身を除く): 83371579

約数列:

[1, 7, 101, 199, 707, 1393, 3697, 20099, 25879, 140693, 373397, 735703, 2613779, 5149921, 74306003, 520142021]

約数ペア:

[(1, 520142021), (7, 74306003), (101, 5149921), (199, 2613779), (707, 735703), (1393, 373397), (3697, 140693), (20099, 25879)]