25238821

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 2279579

約数列:

[1, 19, 41, 179, 181, 779, 3401, 3439, 7339, 7421, 32399, 139441, 140999, 615581, 1328359, 25238821]

約数ペア:

[(1, 25238821), (19, 1328359), (41, 615581), (179, 140999), (181, 139441), (779, 32399), (3401, 7421), (3439, 7339)]