28161978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2087}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 61036416

約数和(自身を除く): 32874438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 2087, 2249, 4174, 4498, 6261, 6747, 12522, 13494, 27131, 54262, 81393, 162786, 361051, 722102, 1083153, 2166306, 4693663, 9387326, 14080989, 28161978]

約数ペア:

[(1, 28161978), (2, 14080989), (3, 9387326), (6, 4693663), (13, 2166306), (26, 1083153), (39, 722102), (78, 361051), (173, 162786), (346, 81393), (519, 54262), (1038, 27131), (2087, 13494), (2249, 12522), (4174, 6747), (4498, 6261)]