664657924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1931}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 1402168320

約数和(自身を除く): 737510396

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 647, 1294, 1931, 2588, 3862, 4529, 7724, 9058, 12293, 13517, 18116, 24586, 27034, 36689, 49172, 54068, 73378, 86051, 146756, 172102, 256823, 344204, 513646, 1027292, 1249357, 2498714, 4997428, 8745499, 17490998, 23737783, 34981996, 47475566, 94951132, 166164481, 332328962, 664657924]

約数ペア:

[(1, 664657924), (2, 332328962), (4, 166164481), (7, 94951132), (14, 47475566), (19, 34981996), (28, 23737783), (38, 17490998), (76, 8745499), (133, 4997428), (266, 2498714), (532, 1249357), (647, 1027292), (1294, 513646), (1931, 344204), (2588, 256823), (3862, 172102), (4529, 146756), (7724, 86051), (9058, 73378), (12293, 54068), (13517, 49172), (18116, 36689), (24586, 27034)]