208031408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1000151}}^1$

素因数の和:1000172

約数の個数: 20

約数和(自身を含む): 434065968

約数和(自身を除く): 226034560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1000151, 2000302, 4000604, 8001208, 13001963, 16002416, 26003926, 52007852, 104015704, 208031408]

約数ペア:

[(1, 208031408), (2, 104015704), (4, 52007852), (8, 26003926), (13, 16002416), (16, 13001963), (26, 8001208), (52, 4000604), (104, 2000302), (208, 1000151)]