81916268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{172093}}^1$

素因数の和:172121

約数の個数: 24

約数和(自身を含む): 173470752

約数和(自身を除く): 91554484

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 172093, 344186, 688372, 1204651, 2409302, 2925581, 4818604, 5851162, 11702324, 20479067, 40958134, 81916268]

約数ペア:

[(1, 81916268), (2, 40958134), (4, 20479067), (7, 11702324), (14, 5851162), (17, 4818604), (28, 2925581), (34, 2409302), (68, 1204651), (119, 688372), (238, 344186), (476, 172093)]