11996816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 25274424

約数和(自身を除く): 13277608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 421, 548, 842, 1096, 1684, 1781, 2192, 3368, 3562, 5473, 6736, 7124, 10946, 14248, 21892, 28496, 43784, 57677, 87568, 115354, 230708, 461416, 749801, 922832, 1499602, 2999204, 5998408, 11996816]

約数ペア:

[(1, 11996816), (2, 5998408), (4, 2999204), (8, 1499602), (13, 922832), (16, 749801), (26, 461416), (52, 230708), (104, 115354), (137, 87568), (208, 57677), (274, 43784), (421, 28496), (548, 21892), (842, 14248), (1096, 10946), (1684, 7124), (1781, 6736), (2192, 5473), (3368, 3562)]