643908

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2333}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 1568448

約数和(自身を除く): 924540

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 2333, 4666, 6999, 9332, 13998, 27996, 53659, 107318, 160977, 214636, 321954, 643908]

約数ペア:

[(1, 643908), (2, 321954), (3, 214636), (4, 160977), (6, 107318), (12, 53659), (23, 27996), (46, 13998), (69, 9332), (92, 6999), (138, 4666), (276, 2333)]