89986984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 179280000

約数和(自身を除く): 89293016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 662, 1324, 1999, 2648, 3998, 5627, 7996, 11254, 15992, 22508, 33983, 45016, 67966, 135932, 271864, 661669, 1323338, 2646676, 5293352, 11248373, 22496746, 44993492, 89986984]

約数ペア:

[(1, 89986984), (2, 44993492), (4, 22496746), (8, 11248373), (17, 5293352), (34, 2646676), (68, 1323338), (136, 661669), (331, 271864), (662, 135932), (1324, 67966), (1999, 45016), (2648, 33983), (3998, 22508), (5627, 15992), (7996, 11254)]