72316505

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1609}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 88678800

約数和(自身を除く): 16362295

約数列:

[1, 5, 89, 101, 445, 505, 1609, 8045, 8989, 44945, 143201, 162509, 716005, 812545, 14463301, 72316505]

約数ペア:

[(1, 72316505), (5, 14463301), (89, 812545), (101, 716005), (445, 162509), (505, 143201), (1609, 44945), (8045, 8989)]