86822825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 116830692

約数和(自身を除く): 30007867

約数列:

[1, 5, 17, 25, 61, 85, 197, 289, 305, 425, 985, 1037, 1445, 1525, 3349, 4925, 5185, 7225, 12017, 16745, 17629, 25925, 56933, 60085, 83725, 88145, 204289, 284665, 300425, 440725, 1021445, 1423325, 3472913, 5107225, 17364565, 86822825]

約数ペア:

[(1, 86822825), (5, 17364565), (17, 5107225), (25, 3472913), (61, 1423325), (85, 1021445), (197, 440725), (289, 300425), (305, 284665), (425, 204289), (985, 88145), (1037, 83725), (1445, 60085), (1525, 56933), (3349, 25925), (4925, 17629), (5185, 16745), (7225, 12017)]