81516428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{171253}}^1$

素因数の和:171281

約数の個数: 24

約数和(自身を含む): 172624032

約数和(自身を除く): 91107604

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 171253, 342506, 685012, 1198771, 2397542, 2911301, 4795084, 5822602, 11645204, 20379107, 40758214, 81516428]

約数ペア:

[(1, 81516428), (2, 40758214), (4, 20379107), (7, 11645204), (14, 5822602), (17, 4795084), (28, 2911301), (34, 2397542), (68, 1198771), (119, 685012), (238, 342506), (476, 171253)]