65931728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1683

約数の個数: 40

約数和(自身を含む): 132940896

約数和(自身を除く): 67009168

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 1571, 2623, 3142, 5246, 6284, 10492, 12568, 20984, 25136, 41968, 67553, 95831, 135106, 191662, 270212, 383324, 540424, 766648, 1080848, 1533296, 4120733, 8241466, 16482932, 32965864, 65931728]

約数ペア:

[(1, 65931728), (2, 32965864), (4, 16482932), (8, 8241466), (16, 4120733), (43, 1533296), (61, 1080848), (86, 766648), (122, 540424), (172, 383324), (244, 270212), (344, 191662), (488, 135106), (688, 95831), (976, 67553), (1571, 41968), (2623, 25136), (3142, 20984), (5246, 12568), (6284, 10492)]