13280464

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 26734400

約数和(自身を除く): 13453936

約数列:

[1, 2, 4, 8, 16, 43, 86, 97, 172, 194, 199, 344, 388, 398, 688, 776, 796, 1552, 1592, 3184, 4171, 8342, 8557, 16684, 17114, 19303, 33368, 34228, 38606, 66736, 68456, 77212, 136912, 154424, 308848, 830029, 1660058, 3320116, 6640232, 13280464]

約数ペア:

[(1, 13280464), (2, 6640232), (4, 3320116), (8, 1660058), (16, 830029), (43, 308848), (86, 154424), (97, 136912), (172, 77212), (194, 68456), (199, 66736), (344, 38606), (388, 34228), (398, 33368), (688, 19303), (776, 17114), (796, 16684), (1552, 8557), (1592, 8342), (3184, 4171)]