28421608

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 54684000

約数和(自身を除く): 26262392

約数列:

[1, 2, 4, 8, 61, 122, 139, 244, 278, 419, 488, 556, 838, 1112, 1676, 3352, 8479, 16958, 25559, 33916, 51118, 58241, 67832, 102236, 116482, 204472, 232964, 465928, 3552701, 7105402, 14210804, 28421608]

約数ペア:

[(1, 28421608), (2, 14210804), (4, 7105402), (8, 3552701), (61, 465928), (122, 232964), (139, 204472), (244, 116482), (278, 102236), (419, 67832), (488, 58241), (556, 51118), (838, 33916), (1112, 25559), (1676, 16958), (3352, 8479)]