638967552

素因数分解:

$2^8\times 3^1\times {\mathrm{367}}^1\times {\mathrm{2267}}^1$

素因数の和:2653

約数の個数: 72

約数和(自身を含む): 1705971456

約数和(自身を除く): 1067003904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 367, 384, 734, 768, 1101, 1468, 2202, 2267, 2936, 4404, 4534, 5872, 6801, 8808, 9068, 11744, 13602, 17616, 18136, 23488, 27204, 35232, 36272, 46976, 54408, 70464, 72544, 93952, 108816, 140928, 145088, 217632, 281856, 290176, 435264, 580352, 831989, 870528, 1663978, 1741056, 2495967, 3327956, 4991934, 6655912, 9983868, 13311824, 19967736, 26623648, 39935472, 53247296, 79870944, 106494592, 159741888, 212989184, 319483776, 638967552]

約数ペア:

[(1, 638967552), (2, 319483776), (3, 212989184), (4, 159741888), (6, 106494592), (8, 79870944), (12, 53247296), (16, 39935472), (24, 26623648), (32, 19967736), (48, 13311824), (64, 9983868), (96, 6655912), (128, 4991934), (192, 3327956), (256, 2495967), (367, 1741056), (384, 1663978), (734, 870528), (768, 831989), (1101, 580352), (1468, 435264), (2202, 290176), (2267, 281856), (2936, 217632), (4404, 145088), (4534, 140928), (5872, 108816), (6801, 93952), (8808, 72544), (9068, 70464), (11744, 54408), (13602, 46976), (17616, 36272), (18136, 35232), (23488, 27204)]