25221379

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 27360000

約数和(自身を除く): 2138621

約数列:

[1, 19, 59, 149, 151, 1121, 2831, 2869, 8791, 8909, 22499, 167029, 169271, 427481, 1327441, 25221379]

約数ペア:

[(1, 25221379), (19, 1327441), (59, 427481), (149, 169271), (151, 167029), (1121, 22499), (2831, 8909), (2869, 8791)]