128401977599

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1\times {\mathrm{8243}}^1$

素因数の和:9119

約数の個数: 32

約数和(自身を含む): 155609786880

約数和(自身を除く): 27207809281

約数列:

[1, 7, 19, 133, 173, 677, 1211, 3287, 4739, 8243, 12863, 23009, 57701, 90041, 117121, 156617, 819847, 1096319, 1426039, 2225299, 5580511, 9982273, 15577093, 27094741, 39063577, 106029709, 189663187, 742207963, 965428403, 6757998821, 18343139657, 128401977599]

約数ペア:

[(1, 128401977599), (7, 18343139657), (19, 6757998821), (133, 965428403), (173, 742207963), (677, 189663187), (1211, 106029709), (3287, 39063577), (4739, 27094741), (8243, 15577093), (12863, 9982273), (23009, 5580511), (57701, 2225299), (90041, 1426039), (117121, 1096319), (156617, 819847)]