256570384

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73897}}^1$

素因数の和:73943

約数の個数: 40

約数和(自身を含む): 586454528

約数和(自身を除く): 329884144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 73897, 147794, 295588, 517279, 591176, 1034558, 1182352, 2069116, 2290807, 4138232, 4581614, 8276464, 9163228, 16035649, 18326456, 32071298, 36652912, 64142596, 128285192, 256570384]

約数ペア:

[(1, 256570384), (2, 128285192), (4, 64142596), (7, 36652912), (8, 32071298), (14, 18326456), (16, 16035649), (28, 9163228), (31, 8276464), (56, 4581614), (62, 4138232), (112, 2290807), (124, 2069116), (217, 1182352), (248, 1034558), (434, 591176), (496, 517279), (868, 295588), (1736, 147794), (3472, 73897)]