25633712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123239}}^1$

素因数の和:123260

約数の個数: 20

約数和(自身を含む): 53486160

約数和(自身を除く): 27852448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123239, 246478, 492956, 985912, 1602107, 1971824, 3204214, 6408428, 12816856, 25633712]

約数ペア:

[(1, 25633712), (2, 12816856), (4, 6408428), (8, 3204214), (13, 1971824), (16, 1602107), (26, 985912), (52, 492956), (104, 246478), (208, 123239)]