913305020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{333323}}^1$

素因数の和:333469

約数の個数: 24

約数和(自身を含む): 1931945904

約数和(自身を除く): 1018640884

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 333323, 666646, 1333292, 1666615, 3333230, 6666460, 45665251, 91330502, 182661004, 228326255, 456652510, 913305020]

約数ペア:

[(1, 913305020), (2, 456652510), (4, 228326255), (5, 182661004), (10, 91330502), (20, 45665251), (137, 6666460), (274, 3333230), (548, 1666615), (685, 1333292), (1370, 666646), (2740, 333323)]