80389638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{212671}}^1$

素因数の和:212689

約数の個数: 32

約数和(自身を含む): 204165120

約数和(自身を除く): 123775482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 212671, 425342, 638013, 1276026, 1488697, 1914039, 2977394, 3828078, 4466091, 5742117, 8932182, 11484234, 13398273, 26796546, 40194819, 80389638]

約数ペア:

[(1, 80389638), (2, 40194819), (3, 26796546), (6, 13398273), (7, 11484234), (9, 8932182), (14, 5742117), (18, 4466091), (21, 3828078), (27, 2977394), (42, 1914039), (54, 1488697), (63, 1276026), (126, 638013), (189, 425342), (378, 212671)]