245434384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1179973}}^1$

素因数の和:1179994

約数の個数: 20

約数和(自身を含む): 512108716

約数和(自身を除く): 266674332

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1179973, 2359946, 4719892, 9439784, 15339649, 18879568, 30679298, 61358596, 122717192, 245434384]

約数ペア:

[(1, 245434384), (2, 122717192), (4, 61358596), (8, 30679298), (13, 18879568), (16, 15339649), (26, 9439784), (52, 4719892), (104, 2359946), (208, 1179973)]