8139718

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 12525984

約数和(自身を除く): 4386266

約数列:

[1, 2, 61, 122, 137, 274, 487, 974, 8357, 16714, 29707, 59414, 66719, 133438, 4069859, 8139718]

約数ペア:

[(1, 8139718), (2, 4069859), (61, 133438), (122, 66719), (137, 59414), (274, 29707), (487, 16714), (974, 8357)]