2620891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 3273984

約数和(自身を除く): 653093

約数列:

[1, 7, 13, 83, 91, 347, 581, 1079, 2429, 4511, 7553, 28801, 31577, 201607, 374413, 2620891]

約数ペア:

[(1, 2620891), (7, 374413), (13, 201607), (83, 31577), (91, 28801), (347, 7553), (581, 4511), (1079, 2429)]