90651395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 121772160

約数和(自身を除く): 31120765

約数列:

[1, 5, 17, 23, 85, 89, 115, 391, 445, 521, 1513, 1955, 2047, 2605, 7565, 8857, 10235, 11983, 34799, 44285, 46369, 59915, 173995, 203711, 231845, 788273, 1018555, 1066487, 3941365, 5332435, 18130279, 90651395]

約数ペア:

[(1, 90651395), (5, 18130279), (17, 5332435), (23, 3941365), (85, 1066487), (89, 1018555), (115, 788273), (391, 231845), (445, 203711), (521, 173995), (1513, 59915), (1955, 46369), (2047, 44285), (2605, 34799), (7565, 11983), (8857, 10235)]