161720764

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{3209}}^1$

素因数の和:3549

約数の個数: 24

約数和(自身を含む): 290671920

約数和(自身を除く): 128951156

約数列:

[1, 2, 4, 43, 86, 172, 293, 586, 1172, 3209, 6418, 12599, 12836, 25198, 50396, 137987, 275974, 551948, 940237, 1880474, 3760948, 40430191, 80860382, 161720764]

約数ペア:

[(1, 161720764), (2, 80860382), (4, 40430191), (43, 3760948), (86, 1880474), (172, 940237), (293, 551948), (586, 275974), (1172, 137987), (3209, 50396), (6418, 25198), (12599, 12836)]