521838239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 616714560

約数和(自身を除く): 94876321

約数列:

[1, 13, 17, 43, 89, 221, 559, 617, 731, 1157, 1513, 3827, 8021, 9503, 10489, 19669, 26531, 49751, 54913, 65059, 136357, 344903, 451027, 713869, 845767, 933521, 2361259, 5863351, 12135773, 30696367, 40141403, 521838239]

約数ペア:

[(1, 521838239), (13, 40141403), (17, 30696367), (43, 12135773), (89, 5863351), (221, 2361259), (559, 933521), (617, 845767), (731, 713869), (1157, 451027), (1513, 344903), (3827, 136357), (8021, 65059), (9503, 54913), (10489, 49751), (19669, 26531)]