66951731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 86896128

約数和(自身を除く): 19944397

約数列:

[1, 7, 11, 43, 73, 77, 277, 301, 473, 511, 803, 1939, 3047, 3139, 3311, 5621, 11911, 20221, 21329, 21973, 34529, 83377, 131021, 141547, 222431, 241703, 869503, 917147, 1557017, 6086521, 9564533, 66951731]

約数ペア:

[(1, 66951731), (7, 9564533), (11, 6086521), (43, 1557017), (73, 917147), (77, 869503), (277, 241703), (301, 222431), (473, 141547), (511, 131021), (803, 83377), (1939, 34529), (3047, 21973), (3139, 21329), (3311, 20221), (5621, 11911)]