129031452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2183

約数の個数: 72

約数和(自身を含む): 358176000

約数和(自身を除く): 229144548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 326, 396, 489, 652, 978, 1467, 1793, 1956, 1999, 2934, 3586, 3998, 5379, 5868, 5997, 7172, 7996, 10758, 11994, 16137, 17991, 21516, 21989, 23988, 32274, 35982, 43978, 64548, 65967, 71964, 87956, 131934, 197901, 263868, 325837, 395802, 651674, 791604, 977511, 1303348, 1955022, 2932533, 3584207, 3910044, 5865066, 7168414, 10752621, 11730132, 14336828, 21505242, 32257863, 43010484, 64515726, 129031452]

約数ペア:

[(1, 129031452), (2, 64515726), (3, 43010484), (4, 32257863), (6, 21505242), (9, 14336828), (11, 11730132), (12, 10752621), (18, 7168414), (22, 5865066), (33, 3910044), (36, 3584207), (44, 2932533), (66, 1955022), (99, 1303348), (132, 977511), (163, 791604), (198, 651674), (326, 395802), (396, 325837), (489, 263868), (652, 197901), (978, 131934), (1467, 87956), (1793, 71964), (1956, 65967), (1999, 64548), (2934, 43978), (3586, 35982), (3998, 32274), (5379, 23988), (5868, 21989), (5997, 21516), (7172, 17991), (7996, 16137), (10758, 11994)]