81176264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1811}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 164384640

約数和(自身を除く): 83208376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 862, 1724, 1811, 3448, 3622, 5603, 7244, 11206, 14488, 22412, 23543, 44824, 47086, 94172, 188344, 780541, 1561082, 3122164, 6244328, 10147033, 20294066, 40588132, 81176264]

約数ペア:

[(1, 81176264), (2, 40588132), (4, 20294066), (8, 10147033), (13, 6244328), (26, 3122164), (52, 1561082), (104, 780541), (431, 188344), (862, 94172), (1724, 47086), (1811, 44824), (3448, 23543), (3622, 22412), (5603, 14488), (7244, 11206)]