1388003486

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{217351}}^1$

素因数の和:217487

約数の個数: 16

約数和(自身を含む): 2170042368

約数和(自身を除く): 782038882

約数列:

[1, 2, 31, 62, 103, 206, 3193, 6386, 217351, 434702, 6737881, 13475762, 22387153, 44774306, 694001743, 1388003486]

約数ペア:

[(1, 1388003486), (2, 694001743), (31, 44774306), (62, 22387153), (103, 13475762), (206, 6737881), (3193, 434702), (6386, 217351)]