25078417

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 34784640

約数和(自身を除く): 9706223

約数列:

[1, 7, 13, 17, 29, 43, 91, 119, 169, 203, 221, 301, 377, 493, 559, 731, 1183, 1247, 1547, 2639, 2873, 3451, 3913, 4901, 5117, 6409, 7267, 8729, 9503, 16211, 20111, 21199, 34307, 44863, 50869, 66521, 83317, 113477, 123539, 148393, 210743, 275587, 583219, 864773, 1475201, 1929109, 3582631, 25078417]

約数ペア:

[(1, 25078417), (7, 3582631), (13, 1929109), (17, 1475201), (29, 864773), (43, 583219), (91, 275587), (119, 210743), (169, 148393), (203, 123539), (221, 113477), (301, 83317), (377, 66521), (493, 50869), (559, 44863), (731, 34307), (1183, 21199), (1247, 20111), (1547, 16211), (2639, 9503), (2873, 8729), (3451, 7267), (3913, 6409), (4901, 5117)]