239408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1172

約数の個数: 20

約数和(自身を含む): 499968

約数和(自身を除く): 260560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1151, 2302, 4604, 9208, 14963, 18416, 29926, 59852, 119704, 239408]

約数ペア:

[(1, 239408), (2, 119704), (4, 59852), (8, 29926), (13, 18416), (16, 14963), (26, 9208), (52, 4604), (104, 2302), (208, 1151)]