279618326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^3$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 492605568

約数和(自身を除く): 212987242

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 361, 403, 494, 589, 722, 806, 961, 1178, 1922, 4693, 7657, 9386, 11191, 12493, 15314, 18259, 22382, 24986, 29791, 36518, 59582, 145483, 237367, 290966, 346921, 387283, 474734, 566029, 693842, 774566, 1132058, 4509973, 7358377, 9019946, 10754551, 14716754, 21509102, 139809163, 279618326]

約数ペア:

[(1, 279618326), (2, 139809163), (13, 21509102), (19, 14716754), (26, 10754551), (31, 9019946), (38, 7358377), (62, 4509973), (247, 1132058), (361, 774566), (403, 693842), (494, 566029), (589, 474734), (722, 387283), (806, 346921), (961, 290966), (1178, 237367), (1922, 145483), (4693, 59582), (7657, 36518), (9386, 29791), (11191, 24986), (12493, 22382), (15314, 18259)]