12278987

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1439}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 14929920

約数和(自身を除く): 2650933

約数列:

[1, 7, 23, 53, 161, 371, 1219, 1439, 8533, 10073, 33097, 76267, 231679, 533869, 1754141, 12278987]

約数ペア:

[(1, 12278987), (7, 1754141), (23, 533869), (53, 231679), (161, 76267), (371, 33097), (1219, 10073), (1439, 8533)]