1388722015

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1\times {\mathrm{3877}}^1$

素因数の和:4962

約数の個数: 16

約数和(自身を含む): 1692048960

約数和(自身を除く): 303326945

約数列:

[1, 5, 71, 355, 1009, 3877, 5045, 19385, 71639, 275267, 358195, 1376335, 3911893, 19559465, 277744403, 1388722015]

約数ペア:

[(1, 1388722015), (5, 277744403), (71, 19559465), (355, 3911893), (1009, 1376335), (3877, 358195), (5045, 275267), (19385, 71639)]