12981028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 24147200

約数和(自身を除く): 11166172

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 1567, 2071, 3134, 4142, 6268, 8284, 29773, 59546, 119092, 170803, 341606, 683212, 3245257, 6490514, 12981028]

約数ペア:

[(1, 12981028), (2, 6490514), (4, 3245257), (19, 683212), (38, 341606), (76, 170803), (109, 119092), (218, 59546), (436, 29773), (1567, 8284), (2071, 6268), (3134, 4142)]