257585952

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{206399}}^1$

素因数の和:206425

約数の個数: 48

約数和(自身を含む): 728179200

約数和(自身を除く): 470593248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 206399, 412798, 619197, 825596, 1238394, 1651192, 2476788, 2683187, 3302384, 4953576, 5366374, 6604768, 8049561, 9907152, 10732748, 16099122, 19814304, 21465496, 32198244, 42930992, 64396488, 85861984, 128792976, 257585952]

約数ペア:

[(1, 257585952), (2, 128792976), (3, 85861984), (4, 64396488), (6, 42930992), (8, 32198244), (12, 21465496), (13, 19814304), (16, 16099122), (24, 10732748), (26, 9907152), (32, 8049561), (39, 6604768), (48, 5366374), (52, 4953576), (78, 3302384), (96, 2683187), (104, 2476788), (156, 1651192), (208, 1238394), (312, 825596), (416, 619197), (624, 412798), (1248, 206399)]