12638395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 20030976

約数和(自身を除く): 7392581

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 1931, 6545, 9655, 13517, 21241, 32827, 67585, 106205, 148687, 164135, 229789, 361097, 743435, 1148945, 1805485, 2527679, 12638395]

約数ペア:

[(1, 12638395), (5, 2527679), (7, 1805485), (11, 1148945), (17, 743435), (35, 361097), (55, 229789), (77, 164135), (85, 148687), (119, 106205), (187, 67585), (385, 32827), (595, 21241), (935, 13517), (1309, 9655), (1931, 6545)]