218530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:102

約数の個数: 24

約数和(自身を含む): 434196

約数和(自身を除く): 215666

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 1681, 2665, 3362, 5330, 8405, 16810, 21853, 43706, 109265, 218530]

約数ペア:

[(1, 218530), (2, 109265), (5, 43706), (10, 21853), (13, 16810), (26, 8405), (41, 5330), (65, 3362), (82, 2665), (130, 1681), (205, 1066), (410, 533)]