25321816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{243479}}^1$

素因数の和:243498

約数の個数: 16

約数和(自身を含む): 51130800

約数和(自身を除く): 25808984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 243479, 486958, 973916, 1947832, 3165227, 6330454, 12660908, 25321816]

約数ペア:

[(1, 25321816), (2, 12660908), (4, 6330454), (8, 3165227), (13, 1947832), (26, 973916), (52, 486958), (104, 243479)]