818440090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6295693}}^1$

素因数の和:6295713

約数の個数: 16

約数和(自身を含む): 1586514888

約数和(自身を除く): 768074798

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6295693, 12591386, 31478465, 62956930, 81844009, 163688018, 409220045, 818440090]

約数ペア:

[(1, 818440090), (2, 409220045), (5, 163688018), (10, 81844009), (13, 62956930), (26, 31478465), (65, 12591386), (130, 6295693)]