1428895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 1976400

約数和(自身を除く): 547505

約数列:

[1, 5, 13, 19, 65, 89, 95, 169, 247, 445, 845, 1157, 1235, 1691, 3211, 5785, 8455, 15041, 16055, 21983, 75205, 109915, 285779, 1428895]

約数ペア:

[(1, 1428895), (5, 285779), (13, 109915), (19, 75205), (65, 21983), (89, 16055), (95, 15041), (169, 8455), (247, 5785), (445, 3211), (845, 1691), (1157, 1235)]