321526270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{145487}}^1$

素因数の和:145524

約数の個数: 32

約数和(自身を含む): 659933568

約数和(自身を除く): 338407298

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 145487, 290974, 727435, 1454870, 1891331, 2473279, 3782662, 4946558, 9456655, 12366395, 18913310, 24732790, 32152627, 64305254, 160763135, 321526270]

約数ペア:

[(1, 321526270), (2, 160763135), (5, 64305254), (10, 32152627), (13, 24732790), (17, 18913310), (26, 12366395), (34, 9456655), (65, 4946558), (85, 3782662), (130, 2473279), (170, 1891331), (221, 1454870), (442, 727435), (1105, 290974), (2210, 145487)]