12939856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 26844264

約数和(自身を除く): 13904408

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 421, 452, 842, 904, 1684, 1808, 1921, 3368, 3842, 6736, 7157, 7684, 14314, 15368, 28628, 30736, 47573, 57256, 95146, 114512, 190292, 380584, 761168, 808741, 1617482, 3234964, 6469928, 12939856]

約数ペア:

[(1, 12939856), (2, 6469928), (4, 3234964), (8, 1617482), (16, 808741), (17, 761168), (34, 380584), (68, 190292), (113, 114512), (136, 95146), (226, 57256), (272, 47573), (421, 30736), (452, 28628), (842, 15368), (904, 14314), (1684, 7684), (1808, 7157), (1921, 6736), (3368, 3842)]