68390390

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{22277}}^1$

素因数の和:22591

約数の個数: 16

約数和(自身を含む): 123509232

約数和(自身を除く): 55118842

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 22277, 44554, 111385, 222770, 6839039, 13678078, 34195195, 68390390]

約数ペア:

[(1, 68390390), (2, 34195195), (5, 13678078), (10, 6839039), (307, 222770), (614, 111385), (1535, 44554), (3070, 22277)]