67888667

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 94556160

約数和(自身を除く): 26667493

約数列:

[1, 7, 11, 17, 31, 49, 77, 119, 187, 217, 239, 341, 527, 539, 833, 1309, 1519, 1673, 2387, 2629, 3689, 4063, 5797, 7409, 9163, 11711, 16709, 18403, 25823, 28441, 40579, 44693, 51863, 81499, 125953, 128821, 199087, 284053, 312851, 363041, 570493, 881671, 1385483, 2189957, 3993451, 6171697, 9698381, 67888667]

約数ペア:

[(1, 67888667), (7, 9698381), (11, 6171697), (17, 3993451), (31, 2189957), (49, 1385483), (77, 881671), (119, 570493), (187, 363041), (217, 312851), (239, 284053), (341, 199087), (527, 128821), (539, 125953), (833, 81499), (1309, 51863), (1519, 44693), (1673, 40579), (2387, 28441), (2629, 25823), (3689, 18403), (4063, 16709), (5797, 11711), (7409, 9163)]