221036746

素因数分解:

$2^1\times 7^3\times {\mathrm{419}}^1\times {\mathrm{769}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 388080000

約数和(自身を除く): 167043254

約数列:

[1, 2, 7, 14, 49, 98, 343, 419, 686, 769, 838, 1538, 2933, 5383, 5866, 10766, 20531, 37681, 41062, 75362, 143717, 263767, 287434, 322211, 527534, 644422, 2255477, 4510954, 15788339, 31576678, 110518373, 221036746]

約数ペア:

[(1, 221036746), (2, 110518373), (7, 31576678), (14, 15788339), (49, 4510954), (98, 2255477), (343, 644422), (419, 527534), (686, 322211), (769, 287434), (838, 263767), (1538, 143717), (2933, 75362), (5383, 41062), (5866, 37681), (10766, 20531)]