257208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1531}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 735360

約数和(自身を除く): 478152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1531, 3062, 4593, 6124, 9186, 10717, 12248, 18372, 21434, 32151, 36744, 42868, 64302, 85736, 128604, 257208]

約数ペア:

[(1, 257208), (2, 128604), (3, 85736), (4, 64302), (6, 42868), (7, 36744), (8, 32151), (12, 21434), (14, 18372), (21, 12248), (24, 10717), (28, 9186), (42, 6124), (56, 4593), (84, 3062), (168, 1531)]