256396273

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 311904000

約数和(自身を除く): 55507727

約数列:

[1, 7, 37, 49, 89, 227, 259, 343, 623, 1589, 1813, 3293, 4361, 8399, 11123, 12691, 20203, 23051, 30527, 58793, 77861, 141421, 161357, 411551, 747511, 989947, 1129499, 2880857, 5232577, 6929629, 36628039, 256396273]

約数ペア:

[(1, 256396273), (7, 36628039), (37, 6929629), (49, 5232577), (89, 2880857), (227, 1129499), (259, 989947), (343, 747511), (623, 411551), (1589, 161357), (1813, 141421), (3293, 77861), (4361, 58793), (8399, 30527), (11123, 23051), (12691, 20203)]