1988157968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{15241}}^1$

素因数の和:15543

約数の個数: 40

約数和(自身を含む): 3991696896

約数和(自身を除く): 2003538928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 263, 496, 526, 1052, 2104, 4208, 8153, 15241, 16306, 30482, 32612, 60964, 65224, 121928, 130448, 243856, 472471, 944942, 1889884, 3779768, 4008383, 7559536, 8016766, 16033532, 32067064, 64134128, 124259873, 248519746, 497039492, 994078984, 1988157968]

約数ペア:

[(1, 1988157968), (2, 994078984), (4, 497039492), (8, 248519746), (16, 124259873), (31, 64134128), (62, 32067064), (124, 16033532), (248, 8016766), (263, 7559536), (496, 4008383), (526, 3779768), (1052, 1889884), (2104, 944942), (4208, 472471), (8153, 243856), (15241, 130448), (16306, 121928), (30482, 65224), (32612, 60964)]