81719323

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 24725477

約数列:

[1, 7, 17, 19, 47, 119, 133, 323, 329, 769, 799, 893, 2261, 5383, 5593, 6251, 13073, 14611, 15181, 36143, 91511, 102277, 106267, 248387, 253001, 614431, 686717, 1738709, 4301017, 4807019, 11674189, 81719323]

約数ペア:

[(1, 81719323), (7, 11674189), (17, 4807019), (19, 4301017), (47, 1738709), (119, 686717), (133, 614431), (323, 253001), (329, 248387), (769, 106267), (799, 102277), (893, 91511), (2261, 36143), (5383, 15181), (5593, 14611), (6251, 13073)]