211797551

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1201}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 254872080

約数和(自身を除く): 43074529

約数列:

[1, 7, 49, 59, 61, 413, 427, 1201, 2891, 2989, 3599, 8407, 25193, 58849, 70859, 73261, 176351, 496013, 512827, 3472091, 3589789, 4322399, 30256793, 211797551]

約数ペア:

[(1, 211797551), (7, 30256793), (49, 4322399), (59, 3589789), (61, 3472091), (413, 512827), (427, 496013), (1201, 176351), (2891, 73261), (2989, 70859), (3599, 58849), (8407, 25193)]