255587384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{144563}}^1$

素因数の和:144599

約数の個数: 32

約数和(自身を含む): 546451920

約数和(自身を除く): 290864536

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 144563, 289126, 578252, 1156504, 1879319, 2457571, 3758638, 4915142, 7517276, 9830284, 15034552, 19660568, 31948423, 63896846, 127793692, 255587384]

約数ペア:

[(1, 255587384), (2, 127793692), (4, 63896846), (8, 31948423), (13, 19660568), (17, 15034552), (26, 9830284), (34, 7517276), (52, 4915142), (68, 3758638), (104, 2457571), (136, 1879319), (221, 1156504), (442, 578252), (884, 289126), (1768, 144563)]