201390412

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{499}}^1\times {\mathrm{619}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 355880000

約数和(自身を除く): 154489588

約数列:

[1, 2, 4, 163, 326, 499, 619, 652, 998, 1238, 1996, 2476, 81337, 100897, 162674, 201794, 308881, 325348, 403588, 617762, 1235524, 50347603, 100695206, 201390412]

約数ペア:

[(1, 201390412), (2, 100695206), (4, 50347603), (163, 1235524), (326, 617762), (499, 403588), (619, 325348), (652, 308881), (998, 201794), (1238, 162674), (1996, 100897), (2476, 81337)]