71790808

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 138101760

約数和(自身を除く): 66310952

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 431, 443, 862, 886, 1724, 1772, 3448, 3544, 20257, 20821, 40514, 41642, 81028, 83284, 162056, 166568, 190933, 381866, 763732, 1527464, 8973851, 17947702, 35895404, 71790808]

約数ペア:

[(1, 71790808), (2, 35895404), (4, 17947702), (8, 8973851), (47, 1527464), (94, 763732), (188, 381866), (376, 190933), (431, 166568), (443, 162056), (862, 83284), (886, 81028), (1724, 41642), (1772, 40514), (3448, 20821), (3544, 20257)]