1640888834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1\times {\mathrm{1307}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 2683074240

約数和(自身を除く): 1042185406

約数列:

[1, 2, 13, 26, 109, 218, 443, 886, 1307, 1417, 2614, 2834, 5759, 11518, 16991, 33982, 48287, 96574, 142463, 284926, 579001, 627731, 1158002, 1255462, 1852019, 3704038, 7527013, 15054026, 63111109, 126222218, 820444417, 1640888834]

約数ペア:

[(1, 1640888834), (2, 820444417), (13, 126222218), (26, 63111109), (109, 15054026), (218, 7527013), (443, 3704038), (886, 1852019), (1307, 1255462), (1417, 1158002), (2614, 627731), (2834, 579001), (5759, 284926), (11518, 142463), (16991, 96574), (33982, 48287)]