72308972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1759}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 130099200

約数和(自身を除く): 57790228

約数列:

[1, 2, 4, 43, 86, 172, 239, 478, 956, 1759, 3518, 7036, 10277, 20554, 41108, 75637, 151274, 302548, 420401, 840802, 1681604, 18077243, 36154486, 72308972]

約数ペア:

[(1, 72308972), (2, 36154486), (4, 18077243), (43, 1681604), (86, 840802), (172, 420401), (239, 302548), (478, 151274), (956, 75637), (1759, 41108), (3518, 20554), (7036, 10277)]