401027888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{611323}}^1$

素因数の和:611372

約数の個数: 20

約数和(自身を含む): 795943848

約数和(自身を除く): 394915960

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 611323, 1222646, 2445292, 4890584, 9781168, 25064243, 50128486, 100256972, 200513944, 401027888]

約数ペア:

[(1, 401027888), (2, 200513944), (4, 100256972), (8, 50128486), (16, 25064243), (41, 9781168), (82, 4890584), (164, 2445292), (328, 1222646), (656, 611323)]