638867614

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{13513}}^1$

素因数の和:13840

約数の個数: 32

約数和(自身を含む): 1198745856

約数和(自身を除く): 559878242

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 307, 614, 2149, 3377, 4298, 6754, 13513, 23639, 27026, 47278, 94591, 148643, 189182, 297286, 1040501, 2081002, 4148491, 8296982, 29039437, 45633401, 58078874, 91266802, 319433807, 638867614]

約数ペア:

[(1, 638867614), (2, 319433807), (7, 91266802), (11, 58078874), (14, 45633401), (22, 29039437), (77, 8296982), (154, 4148491), (307, 2081002), (614, 1040501), (2149, 297286), (3377, 189182), (4298, 148643), (6754, 94591), (13513, 47278), (23639, 27026)]