1997345

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 2764800

約数和(自身を除く): 767455

約数列:

[1, 5, 7, 35, 149, 383, 745, 1043, 1915, 2681, 5215, 13405, 57067, 285335, 399469, 1997345]

約数ペア:

[(1, 1997345), (5, 399469), (7, 285335), (35, 57067), (149, 13405), (383, 5215), (745, 2681), (1043, 1915)]