205171668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{438401}}^1$

素因数の和:438424

約数の個数: 36

約数和(自身を含む): 558524148

約数和(自身を除く): 353352480

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 438401, 876802, 1315203, 1753604, 2630406, 3945609, 5260812, 5699213, 7891218, 11398426, 15782436, 17097639, 22796852, 34195278, 51292917, 68390556, 102585834, 205171668]

約数ペア:

[(1, 205171668), (2, 102585834), (3, 68390556), (4, 51292917), (6, 34195278), (9, 22796852), (12, 17097639), (13, 15782436), (18, 11398426), (26, 7891218), (36, 5699213), (39, 5260812), (52, 3945609), (78, 2630406), (117, 1753604), (156, 1315203), (234, 876802), (468, 438401)]