63688375

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 88504416

約数和(自身を除く): 24816041

約数列:

[1, 5, 17, 25, 41, 43, 85, 125, 205, 215, 289, 425, 697, 731, 1025, 1075, 1445, 1763, 2125, 3485, 3655, 5125, 5375, 7225, 8815, 11849, 12427, 17425, 18275, 29971, 36125, 44075, 59245, 62135, 87125, 91375, 149855, 220375, 296225, 310675, 509507, 749275, 1481125, 1553375, 2547535, 3746375, 12737675, 63688375]

約数ペア:

[(1, 63688375), (5, 12737675), (17, 3746375), (25, 2547535), (41, 1553375), (43, 1481125), (85, 749275), (125, 509507), (205, 310675), (215, 296225), (289, 220375), (425, 149855), (697, 91375), (731, 87125), (1025, 62135), (1075, 59245), (1445, 44075), (1763, 36125), (2125, 29971), (3485, 18275), (3655, 17425), (5125, 12427), (5375, 11849), (7225, 8815)]