217334578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{78347}}^1$

素因数の和:78441

約数の個数: 16

約数和(自身を含む): 347865120

約数和(自身を除く): 130530542

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 78347, 156694, 1488593, 2977186, 5719331, 11438662, 108667289, 217334578]

約数ペア:

[(1, 217334578), (2, 108667289), (19, 11438662), (38, 5719331), (73, 2977186), (146, 1488593), (1387, 156694), (2774, 78347)]