64713275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7591}}^1$

素因数の和:7643

約数の個数: 24

約数和(自身を含む): 90375168

約数和(自身を除く): 25661893

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 7591, 8525, 37955, 83501, 189775, 235321, 417505, 1176605, 2087525, 2588531, 5883025, 12942655, 64713275]

約数ペア:

[(1, 64713275), (5, 12942655), (11, 5883025), (25, 2588531), (31, 2087525), (55, 1176605), (155, 417505), (275, 235321), (341, 189775), (775, 83501), (1705, 37955), (7591, 8525)]