65081090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{209939}}^1$

素因数の和:209977

約数の個数: 16

約数和(自身を含む): 120925440

約数和(自身を除く): 55844350

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 209939, 419878, 1049695, 2099390, 6508109, 13016218, 32540545, 65081090]

約数ペア:

[(1, 65081090), (2, 32540545), (5, 13016218), (10, 6508109), (31, 2099390), (62, 1049695), (155, 419878), (310, 209939)]