311189968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{4663}}^1$

素因数の和:4811

約数の個数: 40

約数和(自身を含む): 623446208

約数和(自身を除く): 312256240

約数列:

[1, 2, 4, 8, 16, 43, 86, 97, 172, 194, 344, 388, 688, 776, 1552, 4171, 4663, 8342, 9326, 16684, 18652, 33368, 37304, 66736, 74608, 200509, 401018, 452311, 802036, 904622, 1604072, 1809244, 3208144, 3618488, 7236976, 19449373, 38898746, 77797492, 155594984, 311189968]

約数ペア:

[(1, 311189968), (2, 155594984), (4, 77797492), (8, 38898746), (16, 19449373), (43, 7236976), (86, 3618488), (97, 3208144), (172, 1809244), (194, 1604072), (344, 904622), (388, 802036), (688, 452311), (776, 401018), (1552, 200509), (4171, 74608), (4663, 66736), (8342, 37304), (9326, 33368), (16684, 18652)]