12843985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 19521792

約数和(自身を除く): 6677807

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 457, 511, 803, 2285, 2555, 3199, 4015, 5027, 5621, 15995, 25135, 28105, 33361, 35189, 166805, 175945, 233527, 366971, 1167635, 1834855, 2568797, 12843985]

約数ペア:

[(1, 12843985), (5, 2568797), (7, 1834855), (11, 1167635), (35, 366971), (55, 233527), (73, 175945), (77, 166805), (365, 35189), (385, 33361), (457, 28105), (511, 25135), (803, 15995), (2285, 5621), (2555, 5027), (3199, 4015)]