71802085

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 87577200

約数和(自身を除く): 15775115

約数列:

[1, 5, 89, 317, 445, 509, 1585, 2545, 28213, 45301, 141065, 161353, 226505, 806765, 14360417, 71802085]

約数ペア:

[(1, 71802085), (5, 14360417), (89, 806765), (317, 226505), (445, 161353), (509, 141065), (1585, 45301), (2545, 28213)]