72012017

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 100465920

約数和(自身を除く): 28453903

約数列:

[1, 7, 11, 17, 29, 49, 77, 119, 187, 203, 271, 319, 493, 539, 833, 1309, 1421, 1897, 2233, 2981, 3451, 4607, 5423, 7859, 9163, 13279, 15631, 20867, 24157, 32249, 37961, 50677, 55013, 86449, 133603, 146069, 225743, 265727, 354739, 385091, 605143, 935221, 1469633, 2483173, 4236001, 6546547, 10287431, 72012017]

約数ペア:

[(1, 72012017), (7, 10287431), (11, 6546547), (17, 4236001), (29, 2483173), (49, 1469633), (77, 935221), (119, 605143), (187, 385091), (203, 354739), (271, 265727), (319, 225743), (493, 146069), (539, 133603), (833, 86449), (1309, 55013), (1421, 50677), (1897, 37961), (2233, 32249), (2981, 24157), (3451, 20867), (4607, 15631), (5423, 13279), (7859, 9163)]