661344481

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{2389}}^1$

素因数の和:3024

約数の個数: 16

約数和(自身を含む): 768165120

約数和(自身を除く): 106820639

約数列:

[1, 7, 71, 497, 557, 2389, 3899, 16723, 39547, 169619, 276829, 1187333, 1330673, 9314711, 94477783, 661344481]

約数ペア:

[(1, 661344481), (7, 94477783), (71, 9314711), (497, 1330673), (557, 1187333), (2389, 276829), (3899, 169619), (16723, 39547)]