25492688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{122561}}^1$

素因数の和:122582

約数の個数: 20

約数和(自身を含む): 53191908

約数和(自身を除く): 27699220

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 122561, 245122, 490244, 980488, 1593293, 1960976, 3186586, 6373172, 12746344, 25492688]

約数ペア:

[(1, 25492688), (2, 12746344), (4, 6373172), (8, 3186586), (13, 1960976), (16, 1593293), (26, 980488), (52, 490244), (104, 245122), (208, 122561)]