638622

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2112

約数の個数: 24

約数和(自身を含む): 1465776

約数和(自身を除く): 827154

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 2087, 4174, 6261, 12522, 18783, 35479, 37566, 70958, 106437, 212874, 319311, 638622]

約数ペア:

[(1, 638622), (2, 319311), (3, 212874), (6, 106437), (9, 70958), (17, 37566), (18, 35479), (34, 18783), (51, 12522), (102, 6261), (153, 4174), (306, 2087)]