66913189

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{83}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 80805312

約数和(自身を除く): 13892123

約数列:

[1, 7, 41, 53, 83, 287, 371, 581, 2173, 2809, 3403, 4399, 15211, 19663, 23821, 30793, 115169, 180359, 233147, 806183, 1262513, 1632029, 9559027, 66913189]

約数ペア:

[(1, 66913189), (7, 9559027), (41, 1632029), (53, 1262513), (83, 806183), (287, 233147), (371, 180359), (581, 115169), (2173, 30793), (2809, 23821), (3403, 19663), (4399, 15211)]