71904815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 94887936

約数和(自身を除く): 22983121

約数列:

[1, 5, 17, 43, 85, 103, 191, 215, 515, 731, 955, 1751, 3247, 3655, 4429, 8213, 8755, 16235, 19673, 22145, 41065, 75293, 98365, 139621, 334441, 376465, 698105, 845939, 1672205, 4229695, 14380963, 71904815]

約数ペア:

[(1, 71904815), (5, 14380963), (17, 4229695), (43, 1672205), (85, 845939), (103, 698105), (191, 376465), (215, 334441), (515, 139621), (731, 98365), (955, 75293), (1751, 41065), (3247, 22145), (3655, 19673), (4429, 16235), (8213, 8755)]