128263716

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{169661}}^1$

素因数の和:169681

約数の個数: 48

約数和(自身を含む): 380042880

約数和(自身を除く): 251779164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 169661, 339322, 508983, 678644, 1017966, 1187627, 1526949, 2035932, 2375254, 3053898, 3562881, 4580847, 4750508, 6107796, 7125762, 9161694, 10688643, 14251524, 18323388, 21377286, 32065929, 42754572, 64131858, 128263716]

約数ペア:

[(1, 128263716), (2, 64131858), (3, 42754572), (4, 32065929), (6, 21377286), (7, 18323388), (9, 14251524), (12, 10688643), (14, 9161694), (18, 7125762), (21, 6107796), (27, 4750508), (28, 4580847), (36, 3562881), (42, 3053898), (54, 2375254), (63, 2035932), (84, 1526949), (108, 1187627), (126, 1017966), (189, 678644), (252, 508983), (378, 339322), (756, 169661)]