1551180638

素因数分解:

$2^1\times 7^1\times {\mathrm{1231}}^1\times {\mathrm{90007}}^1$

素因数の和:91247

約数の個数: 16

約数和(自身を含む): 2661356544

約数和(自身を除く): 1110175906

約数列:

[1, 2, 7, 14, 1231, 2462, 8617, 17234, 90007, 180014, 630049, 1260098, 110798617, 221597234, 775590319, 1551180638]

約数ペア:

[(1, 1551180638), (2, 775590319), (7, 221597234), (14, 110798617), (1231, 1260098), (2462, 630049), (8617, 180014), (17234, 90007)]