12954425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 18729456

約数和(自身を除く): 5775031

約数列:

[1, 5, 11, 17, 25, 55, 85, 163, 187, 275, 289, 425, 815, 935, 1445, 1793, 2771, 3179, 4075, 4675, 7225, 8965, 13855, 15895, 30481, 44825, 47107, 69275, 79475, 152405, 235535, 518177, 762025, 1177675, 2590885, 12954425]

約数ペア:

[(1, 12954425), (5, 2590885), (11, 1177675), (17, 762025), (25, 518177), (55, 235535), (85, 152405), (163, 79475), (187, 69275), (275, 47107), (289, 44825), (425, 30481), (815, 15895), (935, 13855), (1445, 8965), (1793, 7225), (2771, 4675), (3179, 4075)]