86990492

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{1321}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 154800912

約数和(自身を除く): 67810420

約数列:

[1, 2, 4, 101, 163, 202, 326, 404, 652, 1321, 2642, 5284, 16463, 32926, 65852, 133421, 215323, 266842, 430646, 533684, 861292, 21747623, 43495246, 86990492]

約数ペア:

[(1, 86990492), (2, 43495246), (4, 21747623), (101, 861292), (163, 533684), (202, 430646), (326, 266842), (404, 215323), (652, 133421), (1321, 65852), (2642, 32926), (5284, 16463)]