268557536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{645571}}^1$

素因数の和:645594

約数の個数: 24

約数和(自身を含む): 569394504

約数和(自身を除く): 300836968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 645571, 1291142, 2582284, 5164568, 8392423, 10329136, 16784846, 20658272, 33569692, 67139384, 134278768, 268557536]

約数ペア:

[(1, 268557536), (2, 134278768), (4, 67139384), (8, 33569692), (13, 20658272), (16, 16784846), (26, 10329136), (32, 8392423), (52, 5164568), (104, 2582284), (208, 1291142), (416, 645571)]