1998743056

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{115561}}^1$

素因数の和:115639

約数の個数: 40

約数和(自身を含む): 4126950144

約数和(自身を除く): 2128207088

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1081, 2162, 4324, 8648, 17296, 115561, 231122, 462244, 924488, 1848976, 2657903, 5315806, 5431367, 10631612, 10862734, 21263224, 21725468, 42526448, 43450936, 86901872, 124921441, 249842882, 499685764, 999371528, 1998743056]

約数ペア:

[(1, 1998743056), (2, 999371528), (4, 499685764), (8, 249842882), (16, 124921441), (23, 86901872), (46, 43450936), (47, 42526448), (92, 21725468), (94, 21263224), (184, 10862734), (188, 10631612), (368, 5431367), (376, 5315806), (752, 2657903), (1081, 1848976), (2162, 924488), (4324, 462244), (8648, 231122), (17296, 115561)]