217157438

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1\times {\mathrm{2339}}^1$

素因数の和:3163

約数の個数: 16

約数和(自身を含む): 331652880

約数和(自身を除く): 114495442

約数列:

[1, 2, 61, 122, 761, 1522, 2339, 4678, 46421, 92842, 142679, 285358, 1779979, 3559958, 108578719, 217157438]

約数ペア:

[(1, 217157438), (2, 108578719), (61, 3559958), (122, 1779979), (761, 285358), (1522, 142679), (2339, 92842), (4678, 46421)]