213146440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409897}}^1$

素因数の和:409921

約数の個数: 32

約数和(自身を含む): 516471480

約数和(自身を除く): 303325040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 409897, 819794, 1639588, 2049485, 3279176, 4098970, 5328661, 8197940, 10657322, 16395880, 21314644, 26643305, 42629288, 53286610, 106573220, 213146440]

約数ペア:

[(1, 213146440), (2, 106573220), (4, 53286610), (5, 42629288), (8, 26643305), (10, 21314644), (13, 16395880), (20, 10657322), (26, 8197940), (40, 5328661), (52, 4098970), (65, 3279176), (104, 2049485), (130, 1639588), (260, 819794), (520, 409897)]