217458052

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 449384320

約数和(自身を除く): 231926268

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 109, 172, 218, 301, 436, 602, 763, 1204, 1526, 1657, 3052, 3314, 4687, 6628, 9374, 11599, 18748, 23198, 32809, 46396, 65618, 71251, 131236, 142502, 180613, 285004, 361226, 498757, 722452, 997514, 1264291, 1995028, 2528582, 5057164, 7766359, 15532718, 31065436, 54364513, 108729026, 217458052]

約数ペア:

[(1, 217458052), (2, 108729026), (4, 54364513), (7, 31065436), (14, 15532718), (28, 7766359), (43, 5057164), (86, 2528582), (109, 1995028), (172, 1264291), (218, 997514), (301, 722452), (436, 498757), (602, 361226), (763, 285004), (1204, 180613), (1526, 142502), (1657, 131236), (3052, 71251), (3314, 65618), (4687, 46396), (6628, 32809), (9374, 23198), (11599, 18748)]