81139954

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 142871040

約数和(自身を除く): 61731086

約数列:

[1, 2, 7, 14, 47, 94, 317, 329, 389, 634, 658, 778, 2219, 2723, 4438, 5446, 14899, 18283, 29798, 36566, 104293, 123313, 127981, 208586, 246626, 255962, 863191, 1726382, 5795711, 11591422, 40569977, 81139954]

約数ペア:

[(1, 81139954), (2, 40569977), (7, 11591422), (14, 5795711), (47, 1726382), (94, 863191), (317, 255962), (329, 246626), (389, 208586), (634, 127981), (658, 123313), (778, 104293), (2219, 36566), (2723, 29798), (4438, 18283), (5446, 14899)]