40781338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^2\times {\mathrm{137}}^1$

素因数の和:366

約数の個数: 24

約数和(自身を含む): 66984372

約数和(自身を除く): 26203034

約数列:

[1, 2, 13, 26, 107, 137, 214, 274, 1391, 1781, 2782, 3562, 11449, 14659, 22898, 29318, 148837, 190567, 297674, 381134, 1568513, 3137026, 20390669, 40781338]

約数ペア:

[(1, 40781338), (2, 20390669), (13, 3137026), (26, 1568513), (107, 381134), (137, 297674), (214, 190567), (274, 148837), (1391, 29318), (1781, 22898), (2782, 14659), (3562, 11449)]