209501908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1949}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 458640000

約数和(自身を除く): 249138092

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 349, 698, 1396, 1949, 2443, 3839, 3898, 4886, 7678, 7796, 9772, 13643, 15356, 21439, 26873, 27286, 42878, 53746, 54572, 85756, 107492, 150073, 300146, 600292, 680201, 1360402, 2720804, 4761407, 7482211, 9522814, 14964422, 19045628, 29928844, 52375477, 104750954, 209501908]

約数ペア:

[(1, 209501908), (2, 104750954), (4, 52375477), (7, 29928844), (11, 19045628), (14, 14964422), (22, 9522814), (28, 7482211), (44, 4761407), (77, 2720804), (154, 1360402), (308, 680201), (349, 600292), (698, 300146), (1396, 150073), (1949, 107492), (2443, 85756), (3839, 54572), (3898, 53746), (4886, 42878), (7678, 27286), (7796, 26873), (9772, 21439), (13643, 15356)]