81413836

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{757}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 171150336

約数和(自身を除く): 89736500

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 167, 322, 334, 644, 668, 757, 1169, 1514, 2338, 3028, 3841, 4676, 5299, 7682, 10598, 15364, 17411, 21196, 26887, 34822, 53774, 69644, 107548, 121877, 126419, 243754, 252838, 487508, 505676, 884933, 1769866, 2907637, 3539732, 5815274, 11630548, 20353459, 40706918, 81413836]

約数ペア:

[(1, 81413836), (2, 40706918), (4, 20353459), (7, 11630548), (14, 5815274), (23, 3539732), (28, 2907637), (46, 1769866), (92, 884933), (161, 505676), (167, 487508), (322, 252838), (334, 243754), (644, 126419), (668, 121877), (757, 107548), (1169, 69644), (1514, 53774), (2338, 34822), (3028, 26887), (3841, 21196), (4676, 17411), (5299, 15364), (7682, 10598)]