1209956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 2340576

約数和(自身を除く): 1130620

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 257, 428, 514, 1028, 1177, 2354, 2827, 4708, 5654, 11308, 27499, 54998, 109996, 302489, 604978, 1209956]

約数ペア:

[(1, 1209956), (2, 604978), (4, 302489), (11, 109996), (22, 54998), (44, 27499), (107, 11308), (214, 5654), (257, 4708), (428, 2827), (514, 2354), (1028, 1177)]