15899988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 24319212

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 227, 449, 454, 681, 898, 908, 1347, 1362, 1796, 2694, 2724, 2951, 5388, 5837, 5902, 8853, 11674, 11804, 17511, 17706, 23348, 35022, 35412, 70044, 101923, 203846, 305769, 407692, 611538, 1223076, 1324999, 2649998, 3974997, 5299996, 7949994, 15899988]

約数ペア:

[(1, 15899988), (2, 7949994), (3, 5299996), (4, 3974997), (6, 2649998), (12, 1324999), (13, 1223076), (26, 611538), (39, 407692), (52, 305769), (78, 203846), (156, 101923), (227, 70044), (449, 35412), (454, 35022), (681, 23348), (898, 17706), (908, 17511), (1347, 11804), (1362, 11674), (1796, 8853), (2694, 5902), (2724, 5837), (2951, 5388)]