201071425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 258412032

約数和(自身を除く): 57340607

約数列:

[1, 5, 25, 31, 155, 401, 647, 775, 2005, 3235, 10025, 12431, 16175, 20057, 62155, 100285, 259447, 310775, 501425, 1297235, 6486175, 8042857, 40214285, 201071425]

約数ペア:

[(1, 201071425), (5, 40214285), (25, 8042857), (31, 6486175), (155, 1297235), (401, 501425), (647, 310775), (775, 259447), (2005, 100285), (3235, 62155), (10025, 20057), (12431, 16175)]