68871257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 90827520

約数和(自身を除く): 21956263

約数列:

[1, 7, 13, 19, 61, 91, 133, 247, 427, 653, 793, 1159, 1729, 4571, 5551, 8113, 8489, 12407, 15067, 39833, 59423, 86849, 105469, 161291, 278831, 517829, 756827, 1129037, 3624803, 5297789, 9838751, 68871257]

約数ペア:

[(1, 68871257), (7, 9838751), (13, 5297789), (19, 3624803), (61, 1129037), (91, 756827), (133, 517829), (247, 278831), (427, 161291), (653, 105469), (793, 86849), (1159, 59423), (1729, 39833), (4571, 15067), (5551, 12407), (8113, 8489)]