12687556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 26836992

約数和(自身を除く): 14149436

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 311, 329, 434, 622, 658, 868, 1244, 1316, 1457, 2177, 2914, 4354, 5828, 8708, 9641, 10199, 14617, 19282, 20398, 29234, 38564, 40796, 58468, 67487, 102319, 134974, 204638, 269948, 409276, 453127, 906254, 1812508, 3171889, 6343778, 12687556]

約数ペア:

[(1, 12687556), (2, 6343778), (4, 3171889), (7, 1812508), (14, 906254), (28, 453127), (31, 409276), (47, 269948), (62, 204638), (94, 134974), (124, 102319), (188, 67487), (217, 58468), (311, 40796), (329, 38564), (434, 29234), (622, 20398), (658, 19282), (868, 14617), (1244, 10199), (1316, 9641), (1457, 8708), (2177, 5828), (2914, 4354)]