1218637189

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3833}}^1\times {\mathrm{4129}}^1$

素因数の和:7980

約数の個数: 16

約数和(自身を含む): 1520104320

約数和(自身を除く): 301467131

約数列:

[1, 7, 11, 77, 3833, 4129, 26831, 28903, 42163, 45419, 295141, 317933, 15826457, 110785199, 174091027, 1218637189]

約数ペア:

[(1, 1218637189), (7, 174091027), (11, 110785199), (77, 15826457), (3833, 317933), (4129, 295141), (26831, 45419), (28903, 42163)]