90169690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1811}}^1$

素因数の和:2214

約数の個数: 32

約数和(自身を含む): 175343616

約数和(自身を除く): 85173926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 383, 766, 1811, 1915, 3622, 3830, 4979, 9055, 9958, 18110, 23543, 24895, 47086, 49790, 117715, 235430, 693613, 1387226, 3468065, 6936130, 9016969, 18033938, 45084845, 90169690]

約数ペア:

[(1, 90169690), (2, 45084845), (5, 18033938), (10, 9016969), (13, 6936130), (26, 3468065), (65, 1387226), (130, 693613), (383, 235430), (766, 117715), (1811, 49790), (1915, 47086), (3622, 24895), (3830, 23543), (4979, 18110), (9055, 9958)]