209211772

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4219}}^1$

素因数の和:4271

約数の個数: 72

約数和(自身を含む): 484928640

約数和(自身を除く): 275716868

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 154, 161, 196, 253, 308, 322, 506, 539, 644, 1012, 1078, 1127, 1771, 2156, 2254, 3542, 4219, 4508, 7084, 8438, 12397, 16876, 24794, 29533, 46409, 49588, 59066, 92818, 97037, 118132, 185636, 194074, 206731, 324863, 388148, 413462, 649726, 679259, 826924, 1067407, 1299452, 1358518, 2134814, 2274041, 2717036, 4269628, 4548082, 4754813, 7471849, 9096164, 9509626, 14943698, 19019252, 29887396, 52302943, 104605886, 209211772]

約数ペア:

[(1, 209211772), (2, 104605886), (4, 52302943), (7, 29887396), (11, 19019252), (14, 14943698), (22, 9509626), (23, 9096164), (28, 7471849), (44, 4754813), (46, 4548082), (49, 4269628), (77, 2717036), (92, 2274041), (98, 2134814), (154, 1358518), (161, 1299452), (196, 1067407), (253, 826924), (308, 679259), (322, 649726), (506, 413462), (539, 388148), (644, 324863), (1012, 206731), (1078, 194074), (1127, 185636), (1771, 118132), (2156, 97037), (2254, 92818), (3542, 59066), (4219, 49588), (4508, 46409), (7084, 29533), (8438, 24794), (12397, 16876)]