71509228

素因数分解:

$2^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{919}}^1$

素因数の和:1334

約数の個数: 36

約数和(自身を含む): 146097840

約数和(自身を除く): 74588612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 397, 794, 919, 1588, 1838, 2779, 3676, 5558, 6433, 11116, 12866, 19453, 25732, 38906, 45031, 77812, 90062, 180124, 364843, 729686, 1459372, 2553901, 5107802, 10215604, 17877307, 35754614, 71509228]

約数ペア:

[(1, 71509228), (2, 35754614), (4, 17877307), (7, 10215604), (14, 5107802), (28, 2553901), (49, 1459372), (98, 729686), (196, 364843), (397, 180124), (794, 90062), (919, 77812), (1588, 45031), (1838, 38906), (2779, 25732), (3676, 19453), (5558, 12866), (6433, 11116)]