909033985

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{8999}}^1$

素因数の和:9320

約数の個数: 16

約数和(自身を含む): 1108080000

約数和(自身を除く): 199046015

約数列:

[1, 5, 89, 227, 445, 1135, 8999, 20203, 44995, 101015, 800911, 2042773, 4004555, 10213865, 181806797, 909033985]

約数ペア:

[(1, 909033985), (5, 181806797), (89, 10213865), (227, 4004555), (445, 2042773), (1135, 800911), (8999, 101015), (20203, 44995)]