398709767872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{1063}}^1\times {\mathrm{450817}}^1$

素因数の和:451905

約数の個数: 56

約数和(自身を含む): 852853885856

約数和(自身を除く): 454144117984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 1063, 2126, 4252, 8504, 13819, 17008, 27638, 34016, 55276, 68032, 110552, 221104, 442208, 450817, 884416, 901634, 1803268, 3606536, 5860621, 7213072, 11721242, 14426144, 23442484, 28852288, 46884968, 93769936, 187539872, 375079744, 479218471, 958436942, 1916873884, 3833747768, 6229840123, 7667495536, 12459680246, 15334991072, 24919360492, 30669982144, 49838720984, 99677441968, 199354883936, 398709767872]

約数ペア:

[(1, 398709767872), (2, 199354883936), (4, 99677441968), (8, 49838720984), (13, 30669982144), (16, 24919360492), (26, 15334991072), (32, 12459680246), (52, 7667495536), (64, 6229840123), (104, 3833747768), (208, 1916873884), (416, 958436942), (832, 479218471), (1063, 375079744), (2126, 187539872), (4252, 93769936), (8504, 46884968), (13819, 28852288), (17008, 23442484), (27638, 14426144), (34016, 11721242), (55276, 7213072), (68032, 5860621), (110552, 3606536), (221104, 1803268), (442208, 901634), (450817, 884416)]