71749972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2668

約数の個数: 48

約数和(自身を含む): 153280512

約数和(自身を除く): 81530540

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 989, 1204, 1978, 2591, 3956, 5182, 6923, 10364, 13846, 18137, 27692, 36274, 59593, 72548, 111413, 119186, 222826, 238372, 417151, 445652, 779891, 834302, 1559782, 1668604, 2562499, 3119564, 5124998, 10249996, 17937493, 35874986, 71749972]

約数ペア:

[(1, 71749972), (2, 35874986), (4, 17937493), (7, 10249996), (14, 5124998), (23, 3119564), (28, 2562499), (43, 1668604), (46, 1559782), (86, 834302), (92, 779891), (161, 445652), (172, 417151), (301, 238372), (322, 222826), (602, 119186), (644, 111413), (989, 72548), (1204, 59593), (1978, 36274), (2591, 27692), (3956, 18137), (5182, 13846), (6923, 10364)]