12737675

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 17587416

約数和(自身を除く): 4849741

約数列:

[1, 5, 17, 25, 41, 43, 85, 205, 215, 289, 425, 697, 731, 1025, 1075, 1445, 1763, 3485, 3655, 7225, 8815, 11849, 12427, 17425, 18275, 29971, 44075, 59245, 62135, 149855, 296225, 310675, 509507, 749275, 2547535, 12737675]

約数ペア:

[(1, 12737675), (5, 2547535), (17, 749275), (25, 509507), (41, 310675), (43, 296225), (85, 149855), (205, 62135), (215, 59245), (289, 44075), (425, 29971), (697, 18275), (731, 17425), (1025, 12427), (1075, 11849), (1445, 8815), (1763, 7225), (3485, 3655)]