12737776

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 25954688

約数和(自身を除く): 13216912

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 421, 488, 496, 842, 976, 1684, 1891, 3368, 3782, 6736, 7564, 13051, 15128, 25681, 26102, 30256, 51362, 52204, 102724, 104408, 205448, 208816, 410896, 796111, 1592222, 3184444, 6368888, 12737776]

約数ペア:

[(1, 12737776), (2, 6368888), (4, 3184444), (8, 1592222), (16, 796111), (31, 410896), (61, 208816), (62, 205448), (122, 104408), (124, 102724), (244, 52204), (248, 51362), (421, 30256), (488, 26102), (496, 25681), (842, 15128), (976, 13051), (1684, 7564), (1891, 6736), (3368, 3782)]