12866861

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 15803136

約数和(自身を除く): 2936275

約数列:

[1, 7, 37, 47, 49, 151, 259, 329, 1057, 1739, 1813, 2303, 5587, 7097, 7399, 12173, 39109, 49679, 85211, 262589, 273763, 347753, 1838123, 12866861]

約数ペア:

[(1, 12866861), (7, 1838123), (37, 347753), (47, 273763), (49, 262589), (151, 85211), (259, 49679), (329, 39109), (1057, 12173), (1739, 7399), (1813, 7097), (2303, 5587)]