15879968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 34292160

約数和(自身を除く): 18412192

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 208, 236, 416, 472, 647, 767, 944, 1294, 1534, 1888, 2588, 3068, 5176, 6136, 8411, 10352, 12272, 16822, 20704, 24544, 33644, 38173, 67288, 76346, 134576, 152692, 269152, 305384, 496249, 610768, 992498, 1221536, 1984996, 3969992, 7939984, 15879968]

約数ペア:

[(1, 15879968), (2, 7939984), (4, 3969992), (8, 1984996), (13, 1221536), (16, 992498), (26, 610768), (32, 496249), (52, 305384), (59, 269152), (104, 152692), (118, 134576), (208, 76346), (236, 67288), (416, 38173), (472, 33644), (647, 24544), (767, 20704), (944, 16822), (1294, 12272), (1534, 10352), (1888, 8411), (2588, 6136), (3068, 5176)]