25001977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24977}}^1$

素因数の和:25008

約数の個数: 16

約数和(自身を含む): 33570432

約数和(自身を除く): 8568455

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 24977, 174839, 274747, 324701, 1923229, 2272907, 3571711, 25001977]

約数ペア:

[(1, 25001977), (7, 3571711), (11, 2272907), (13, 1923229), (77, 324701), (91, 274747), (143, 174839), (1001, 24977)]