28131568

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{37409}}^1$

素因数の和:37464

約数の個数: 20

約数和(自身を含む): 55666080

約数和(自身を除く): 27534512

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 37409, 74818, 149636, 299272, 598544, 1758223, 3516446, 7032892, 14065784, 28131568]

約数ペア:

[(1, 28131568), (2, 14065784), (4, 7032892), (8, 3516446), (16, 1758223), (47, 598544), (94, 299272), (188, 149636), (376, 74818), (752, 37409)]