321566128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67217}}^1$

素因数の和:67261

約数の個数: 40

約数和(自身を含む): 700142688

約数和(自身を除く): 378576560

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 67217, 134434, 268868, 537736, 873821, 1075472, 1545991, 1747642, 3091982, 3495284, 6183964, 6990568, 12367928, 13981136, 20097883, 24735856, 40195766, 80391532, 160783064, 321566128]

約数ペア:

[(1, 321566128), (2, 160783064), (4, 80391532), (8, 40195766), (13, 24735856), (16, 20097883), (23, 13981136), (26, 12367928), (46, 6990568), (52, 6183964), (92, 3495284), (104, 3091982), (184, 1747642), (208, 1545991), (299, 1075472), (368, 873821), (598, 537736), (1196, 268868), (2392, 134434), (4784, 67217)]