1687989604

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{440039}}^1$

素因数の和:440187

約数の個数: 24

約数和(自身を含む): 3400629120

約数和(自身を除く): 1712639516

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 440039, 880078, 1760156, 3080273, 6160546, 12321092, 60285343, 120570686, 241141372, 421997401, 843994802, 1687989604]

約数ペア:

[(1, 1687989604), (2, 843994802), (4, 421997401), (7, 241141372), (14, 120570686), (28, 60285343), (137, 12321092), (274, 6160546), (548, 3080273), (959, 1760156), (1918, 880078), (3836, 440039)]