128254105

素因数分解:

$5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{22481}}^1$

素因数の和:22656

約数の個数: 16

約数和(自身を含む): 176978304

約数和(自身を除く): 48724199

約数列:

[1, 5, 7, 35, 163, 815, 1141, 5705, 22481, 112405, 157367, 786835, 3664403, 18322015, 25650821, 128254105]

約数ペア:

[(1, 128254105), (5, 25650821), (7, 18322015), (35, 3664403), (163, 786835), (815, 157367), (1141, 112405), (5705, 22481)]