66731987

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 85173120

約数和(自身を除く): 18441133

約数列:

[1, 7, 17, 29, 61, 119, 203, 317, 427, 493, 1037, 1769, 2219, 3451, 5389, 7259, 9193, 12383, 19337, 30073, 37723, 64351, 135359, 156281, 210511, 328729, 560773, 1093967, 2301103, 3925411, 9533141, 66731987]

約数ペア:

[(1, 66731987), (7, 9533141), (17, 3925411), (29, 2301103), (61, 1093967), (119, 560773), (203, 328729), (317, 210511), (427, 156281), (493, 135359), (1037, 64351), (1769, 37723), (2219, 30073), (3451, 19337), (5389, 12383), (7259, 9193)]