1612891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 16

約数和(自身を含む): 1980160

約数和(自身を除く): 367269

約数列:

[1, 7, 19, 67, 133, 181, 469, 1267, 1273, 3439, 8911, 12127, 24073, 84889, 230413, 1612891]

約数ペア:

[(1, 1612891), (7, 230413), (19, 84889), (67, 24073), (133, 12127), (181, 8911), (469, 3439), (1267, 1273)]