258736075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 363365632

約数和(自身を除く): 104629557

約数列:

[1, 5, 13, 25, 31, 61, 65, 155, 305, 325, 403, 421, 775, 793, 1525, 1891, 2015, 2105, 3965, 5473, 9455, 10075, 10525, 13051, 19825, 24583, 25681, 27365, 47275, 65255, 122915, 128405, 136825, 169663, 326275, 333853, 614575, 642025, 796111, 848315, 1669265, 3980555, 4241575, 8346325, 10349443, 19902775, 51747215, 258736075]

約数ペア:

[(1, 258736075), (5, 51747215), (13, 19902775), (25, 10349443), (31, 8346325), (61, 4241575), (65, 3980555), (155, 1669265), (305, 848315), (325, 796111), (403, 642025), (421, 614575), (775, 333853), (793, 326275), (1525, 169663), (1891, 136825), (2015, 128405), (2105, 122915), (3965, 65255), (5473, 47275), (9455, 27365), (10075, 25681), (10525, 24583), (13051, 19825)]