66991309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 86593536

約数和(自身を除く): 19602227

約数列:

[1, 7, 11, 47, 77, 107, 173, 329, 517, 749, 1177, 1211, 1903, 3619, 5029, 8131, 8239, 13321, 18511, 35203, 55319, 56917, 89441, 129577, 203621, 387233, 626087, 870017, 1425347, 6090119, 9570187, 66991309]

約数ペア:

[(1, 66991309), (7, 9570187), (11, 6090119), (47, 1425347), (77, 870017), (107, 626087), (173, 387233), (329, 203621), (517, 129577), (749, 89441), (1177, 56917), (1211, 55319), (1903, 35203), (3619, 18511), (5029, 13321), (8131, 8239)]