214821505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{31849}}^1$

素因数の和:31944

約数の個数: 16

約数和(自身を含む): 275184000

約数和(自身を除く): 60362495

約数列:

[1, 5, 19, 71, 95, 355, 1349, 6745, 31849, 159245, 605131, 2261279, 3025655, 11306395, 42964301, 214821505]

約数ペア:

[(1, 214821505), (5, 42964301), (19, 11306395), (71, 3025655), (95, 2261279), (355, 605131), (1349, 159245), (6745, 31849)]