70920985

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 86605200

約数和(自身を除く): 15684215

約数列:

[1, 5, 89, 197, 445, 809, 985, 4045, 17533, 72001, 87665, 159373, 360005, 796865, 14184197, 70920985]

約数ペア:

[(1, 70920985), (5, 14184197), (89, 796865), (197, 360005), (445, 159373), (809, 87665), (985, 72001), (4045, 17533)]