212690555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2371}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 319707648

約数和(自身を除く): 107017093

約数列:

[1, 5, 7, 11, 35, 55, 77, 233, 385, 1165, 1631, 2371, 2563, 8155, 11855, 12815, 16597, 17941, 26081, 82985, 89705, 130405, 182567, 552443, 912835, 2762215, 3867101, 6076873, 19335505, 30384365, 42538111, 212690555]

約数ペア:

[(1, 212690555), (5, 42538111), (7, 30384365), (11, 19335505), (35, 6076873), (55, 3867101), (77, 2762215), (233, 912835), (385, 552443), (1165, 182567), (1631, 130405), (2371, 89705), (2563, 82985), (8155, 26081), (11855, 17941), (12815, 16597)]