644512432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{14537}}^1$

素因数の和:14725

約数の個数: 40

約数和(自身を含む): 1330401456

約数和(自身を除く): 685889024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 652, 1304, 2608, 2771, 5542, 11084, 14537, 22168, 29074, 44336, 58148, 116296, 232592, 247129, 494258, 988516, 1977032, 2369531, 3954064, 4739062, 9478124, 18956248, 37912496, 40282027, 80564054, 161128108, 322256216, 644512432]

約数ペア:

[(1, 644512432), (2, 322256216), (4, 161128108), (8, 80564054), (16, 40282027), (17, 37912496), (34, 18956248), (68, 9478124), (136, 4739062), (163, 3954064), (272, 2369531), (326, 1977032), (652, 988516), (1304, 494258), (2608, 247129), (2771, 232592), (5542, 116296), (11084, 58148), (14537, 44336), (22168, 29074)]