201917128

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{87943}}^1$

素因数の和:87997

約数の個数: 32

約数和(自身を含む): 443237760

約数和(自身を除く): 241320632

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 87943, 175886, 351772, 615601, 703544, 1231202, 2462404, 3605663, 4924808, 7211326, 14422652, 25239641, 28845304, 50479282, 100958564, 201917128]

約数ペア:

[(1, 201917128), (2, 100958564), (4, 50479282), (7, 28845304), (8, 25239641), (14, 14422652), (28, 7211326), (41, 4924808), (56, 3605663), (82, 2462404), (164, 1231202), (287, 703544), (328, 615601), (574, 351772), (1148, 175886), (2296, 87943)]