2890998

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 7280640

約数和(自身を除く): 4389642

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 99, 157, 186, 198, 279, 297, 314, 341, 471, 558, 594, 682, 837, 942, 1023, 1413, 1674, 1727, 2046, 2826, 3069, 3454, 4239, 4867, 5181, 6138, 8478, 9207, 9734, 10362, 14601, 15543, 18414, 29202, 31086, 43803, 46629, 53537, 87606, 93258, 107074, 131409, 160611, 262818, 321222, 481833, 963666, 1445499, 2890998]

約数ペア:

[(1, 2890998), (2, 1445499), (3, 963666), (6, 481833), (9, 321222), (11, 262818), (18, 160611), (22, 131409), (27, 107074), (31, 93258), (33, 87606), (54, 53537), (62, 46629), (66, 43803), (93, 31086), (99, 29202), (157, 18414), (186, 15543), (198, 14601), (279, 10362), (297, 9734), (314, 9207), (341, 8478), (471, 6138), (558, 5181), (594, 4867), (682, 4239), (837, 3454), (942, 3069), (1023, 2826), (1413, 2046), (1674, 1727)]