81289964

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{49207}}^1$

素因数の和:49277

約数の個数: 24

約数和(自身を含む): 165338880

約数和(自身を除く): 84048916

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 49207, 98414, 196828, 344449, 688898, 1377796, 2903213, 5806426, 11612852, 20322491, 40644982, 81289964]

約数ペア:

[(1, 81289964), (2, 40644982), (4, 20322491), (7, 11612852), (14, 5806426), (28, 2903213), (59, 1377796), (118, 688898), (236, 344449), (413, 196828), (826, 98414), (1652, 49207)]