747857978

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1242289}}^1$

素因数の和:1242341

約数の個数: 16

約数和(自身を含む): 1311858240

約数和(自身を除く): 564000262

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 1242289, 2484578, 8696023, 17392046, 53418427, 106836854, 373928989, 747857978]

約数ペア:

[(1, 747857978), (2, 373928989), (7, 106836854), (14, 53418427), (43, 17392046), (86, 8696023), (301, 2484578), (602, 1242289)]