28267278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 62357616

約数和(自身を除く): 34090338

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 169, 183, 338, 366, 457, 507, 793, 914, 1014, 1371, 1586, 2379, 2742, 4758, 5941, 10309, 11882, 17823, 20618, 27877, 30927, 35646, 55754, 61854, 77233, 83631, 154466, 167262, 231699, 362401, 463398, 724802, 1087203, 2174406, 4711213, 9422426, 14133639, 28267278]

約数ペア:

[(1, 28267278), (2, 14133639), (3, 9422426), (6, 4711213), (13, 2174406), (26, 1087203), (39, 724802), (61, 463398), (78, 362401), (122, 231699), (169, 167262), (183, 154466), (338, 83631), (366, 77233), (457, 61854), (507, 55754), (793, 35646), (914, 30927), (1014, 27877), (1371, 20618), (1586, 17823), (2379, 11882), (2742, 10309), (4758, 5941)]