71334431

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 91653120

約数和(自身を除く): 20318689

約数列:

[1, 7, 17, 23, 67, 119, 161, 389, 391, 469, 1139, 1541, 2723, 2737, 6613, 7973, 8947, 10787, 26063, 26197, 46291, 62629, 152099, 182441, 183379, 443071, 599449, 1064693, 3101497, 4196143, 10190633, 71334431]

約数ペア:

[(1, 71334431), (7, 10190633), (17, 4196143), (23, 3101497), (67, 1064693), (119, 599449), (161, 443071), (389, 183379), (391, 182441), (469, 152099), (1139, 62629), (1541, 46291), (2723, 26197), (2737, 26063), (6613, 10787), (7973, 8947)]