219979144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{357109}}^1$

素因数の和:357133

約数の個数: 32

約数和(自身を含む): 514238400

約数和(自身を除く): 294259256

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 357109, 714218, 1428436, 2499763, 2856872, 3928199, 4999526, 7856398, 9999052, 15712796, 19998104, 27497393, 31425592, 54994786, 109989572, 219979144]

約数ペア:

[(1, 219979144), (2, 109989572), (4, 54994786), (7, 31425592), (8, 27497393), (11, 19998104), (14, 15712796), (22, 9999052), (28, 7856398), (44, 4999526), (56, 3928199), (77, 2856872), (88, 2499763), (154, 1428436), (308, 714218), (616, 357109)]