28939742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 48371904

約数和(自身を除く): 19432162

約数列:

[1, 2, 13, 26, 61, 71, 122, 142, 257, 514, 793, 923, 1586, 1846, 3341, 4331, 6682, 8662, 15677, 18247, 31354, 36494, 56303, 112606, 203801, 237211, 407602, 474422, 1113067, 2226134, 14469871, 28939742]

約数ペア:

[(1, 28939742), (2, 14469871), (13, 2226134), (26, 1113067), (61, 474422), (71, 407602), (122, 237211), (142, 203801), (257, 112606), (514, 56303), (793, 36494), (923, 31354), (1586, 18247), (1846, 15677), (3341, 8662), (4331, 6682)]