64404505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 88128000

約数和(自身を除く): 23723495

約数列:

[1, 5, 11, 29, 55, 145, 149, 271, 319, 745, 1355, 1595, 1639, 2981, 4321, 7859, 8195, 14905, 21605, 39295, 40379, 47531, 86449, 201895, 237655, 432245, 444169, 1170991, 2220845, 5854955, 12880901, 64404505]

約数ペア:

[(1, 64404505), (5, 12880901), (11, 5854955), (29, 2220845), (55, 1170991), (145, 444169), (149, 432245), (271, 237655), (319, 201895), (745, 86449), (1355, 47531), (1595, 40379), (1639, 39295), (2981, 21605), (4321, 14905), (7859, 8195)]