78904890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{876721}}^1$

素因数の和:876734

約数の個数: 24

約数和(自身を含む): 205152948

約数和(自身を除く): 126248058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 876721, 1753442, 2630163, 4383605, 5260326, 7890489, 8767210, 13150815, 15780978, 26301630, 39452445, 78904890]

約数ペア:

[(1, 78904890), (2, 39452445), (3, 26301630), (5, 15780978), (6, 13150815), (9, 8767210), (10, 7890489), (15, 5260326), (18, 4383605), (30, 2630163), (45, 1753442), (90, 876721)]