201208975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8221}}^1$

素因数の和:8331

約数の個数: 24

約数和(自身を含む): 275272560

約数和(自身を除く): 74063585

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2225, 4895, 8221, 24475, 41105, 90431, 205525, 452155, 731669, 2260775, 3658345, 8048359, 18291725, 40241795, 201208975]

約数ペア:

[(1, 201208975), (5, 40241795), (11, 18291725), (25, 8048359), (55, 3658345), (89, 2260775), (275, 731669), (445, 452155), (979, 205525), (2225, 90431), (4895, 41105), (8221, 24475)]