401296688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1929311}}^1$

素因数の和:1929332

約数の個数: 20

約数和(自身を含む): 837321408

約数和(自身を除く): 436024720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1929311, 3858622, 7717244, 15434488, 25081043, 30868976, 50162086, 100324172, 200648344, 401296688]

約数ペア:

[(1, 401296688), (2, 200648344), (4, 100324172), (8, 50162086), (13, 30868976), (16, 25081043), (26, 15434488), (52, 7717244), (104, 3858622), (208, 1929311)]