258436045

素因数分解:

$5^1\times 7^2\times {\mathrm{907}}^1\times {\mathrm{1163}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 361463904

約数和(自身を除く): 103027859

約数列:

[1, 5, 7, 35, 49, 245, 907, 1163, 4535, 5815, 6349, 8141, 31745, 40705, 44443, 56987, 222215, 284935, 1054841, 5274205, 7383887, 36919435, 51687209, 258436045]

約数ペア:

[(1, 258436045), (5, 51687209), (7, 36919435), (35, 7383887), (49, 5274205), (245, 1054841), (907, 284935), (1163, 222215), (4535, 56987), (5815, 44443), (6349, 40705), (8141, 31745)]