1279320658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{20411}}^1$

素因数の和:20479

約数の個数: 48

約数和(自身を含む): 2475893952

約数和(自身を除く): 1196573294

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 121, 154, 242, 259, 407, 518, 814, 847, 1694, 2849, 4477, 5698, 8954, 20411, 31339, 40822, 62678, 142877, 224521, 285754, 449042, 755207, 1510414, 1571647, 2469731, 3143294, 4939462, 5286449, 8307277, 10572898, 16614554, 17288117, 34576234, 58150939, 91380047, 116301878, 182760094, 639660329, 1279320658]

約数ペア:

[(1, 1279320658), (2, 639660329), (7, 182760094), (11, 116301878), (14, 91380047), (22, 58150939), (37, 34576234), (74, 17288117), (77, 16614554), (121, 10572898), (154, 8307277), (242, 5286449), (259, 4939462), (407, 3143294), (518, 2469731), (814, 1571647), (847, 1510414), (1694, 755207), (2849, 449042), (4477, 285754), (5698, 224521), (8954, 142877), (20411, 62678), (31339, 40822)]