189916888

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{147451}}^1$

素因数の和:147487

約数の個数: 32

約数和(自身を含む): 424661760

約数和(自身を除く): 234744872

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 147451, 294902, 589804, 1032157, 1179608, 2064314, 3391373, 4128628, 6782746, 8257256, 13565492, 23739611, 27130984, 47479222, 94958444, 189916888]

約数ペア:

[(1, 189916888), (2, 94958444), (4, 47479222), (7, 27130984), (8, 23739611), (14, 13565492), (23, 8257256), (28, 6782746), (46, 4128628), (56, 3391373), (92, 2064314), (161, 1179608), (184, 1032157), (322, 589804), (644, 294902), (1288, 147451)]