266989330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1405207}}^1$

素因数の和:1405233

約数の個数: 16

約数和(自身を含む): 505874880

約数和(自身を除く): 238885550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1405207, 2810414, 7026035, 14052070, 26698933, 53397866, 133494665, 266989330]

約数ペア:

[(1, 266989330), (2, 133494665), (5, 53397866), (10, 26698933), (19, 14052070), (38, 7026035), (95, 2810414), (190, 1405207)]