257432826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{877}}^1$

素因数の和:1159

約数の個数: 64

約数和(自身を含む): 611930880

約数和(自身を除く): 354498054

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 241, 406, 482, 609, 723, 877, 1218, 1446, 1687, 1754, 2631, 3374, 5061, 5262, 6139, 6989, 10122, 12278, 13978, 18417, 20967, 25433, 36834, 41934, 48923, 50866, 76299, 97846, 146769, 152598, 178031, 211357, 293538, 356062, 422714, 534093, 634071, 1068186, 1268142, 1479499, 2958998, 4438497, 6129353, 8876994, 12258706, 18388059, 36776118, 42905471, 85810942, 128716413, 257432826]

約数ペア:

[(1, 257432826), (2, 128716413), (3, 85810942), (6, 42905471), (7, 36776118), (14, 18388059), (21, 12258706), (29, 8876994), (42, 6129353), (58, 4438497), (87, 2958998), (174, 1479499), (203, 1268142), (241, 1068186), (406, 634071), (482, 534093), (609, 422714), (723, 356062), (877, 293538), (1218, 211357), (1446, 178031), (1687, 152598), (1754, 146769), (2631, 97846), (3374, 76299), (5061, 50866), (5262, 48923), (6139, 41934), (6989, 36834), (10122, 25433), (12278, 20967), (13978, 18417)]