77144215

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 99202752

約数和(自身を除く): 22058537

約数列:

[1, 5, 17, 85, 197, 271, 289, 985, 1355, 1445, 3349, 4607, 16745, 23035, 53387, 56933, 78319, 266935, 284665, 391595, 907579, 4537895, 15428843, 77144215]

約数ペア:

[(1, 77144215), (5, 15428843), (17, 4537895), (85, 907579), (197, 391595), (271, 284665), (289, 266935), (985, 78319), (1355, 56933), (1445, 53387), (3349, 23035), (4607, 16745)]