401977912

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{90863}}^1$

素因数の和:90955

約数の個数: 32

約数和(自身を含む): 872294400

約数和(自身を除く): 470316488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 90863, 181726, 363452, 636041, 726904, 1272082, 2544164, 5088328, 7178177, 14356354, 28712708, 50247239, 57425416, 100494478, 200988956, 401977912]

約数ペア:

[(1, 401977912), (2, 200988956), (4, 100494478), (7, 57425416), (8, 50247239), (14, 28712708), (28, 14356354), (56, 7178177), (79, 5088328), (158, 2544164), (316, 1272082), (553, 726904), (632, 636041), (1106, 363452), (2212, 181726), (4424, 90863)]