76721525

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{8501}}^1$

素因数の和:8549

約数の個数: 18

約数和(自身を含む): 100417122

約数和(自身を除く): 23695597

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 8501, 9025, 42505, 161519, 212525, 807595, 3068861, 4037975, 15344305, 76721525]

約数ペア:

[(1, 76721525), (5, 15344305), (19, 4037975), (25, 3068861), (95, 807595), (361, 212525), (475, 161519), (1805, 42505), (8501, 9025)]