1640456

素因数分解:

$2^3\times {\mathrm{53}}^2\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 3177930

約数和(自身を除く): 1537474

約数列:

[1, 2, 4, 8, 53, 73, 106, 146, 212, 292, 424, 584, 2809, 3869, 5618, 7738, 11236, 15476, 22472, 30952, 205057, 410114, 820228, 1640456]

約数ペア:

[(1, 1640456), (2, 820228), (4, 410114), (8, 205057), (53, 30952), (73, 22472), (106, 15476), (146, 11236), (212, 7738), (292, 5618), (424, 3869), (584, 2809)]