197982725

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 250999560

約数和(自身を除く): 53016835

約数列:

[1, 5, 25, 89, 101, 445, 505, 881, 2225, 2525, 4405, 8989, 22025, 44945, 78409, 88981, 224725, 392045, 444905, 1960225, 2224525, 7919309, 39596545, 197982725]

約数ペア:

[(1, 197982725), (5, 39596545), (25, 7919309), (89, 2224525), (101, 1960225), (445, 444905), (505, 392045), (881, 224725), (2225, 88981), (2525, 78409), (4405, 44945), (8989, 22025)]