863972005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{97021}}^1$

素因数の和:97176

約数の個数: 16

約数和(自身を含む): 1124679024

約数和(自身を除く): 260707019

約数列:

[1, 5, 13, 65, 137, 685, 1781, 8905, 97021, 485105, 1261273, 6306365, 13291877, 66459385, 172794401, 863972005]

約数ペア:

[(1, 863972005), (5, 172794401), (13, 66459385), (65, 13291877), (137, 6306365), (685, 1261273), (1781, 485105), (8905, 97021)]