823320134

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2125

約数の個数: 64

約数和(自身を含む): 1591296000

約数和(自身を除く): 767975866

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 73, 91, 146, 182, 217, 403, 434, 511, 806, 949, 1022, 1898, 1999, 2263, 2821, 3998, 4526, 5642, 6643, 13286, 13993, 15841, 25987, 27986, 29419, 31682, 51974, 58838, 61969, 123938, 145927, 181909, 205933, 291854, 363818, 411866, 433783, 805597, 867566, 1021489, 1611194, 1897051, 2042978, 3794102, 4523737, 5639179, 9047474, 11278358, 13279357, 26558714, 31666159, 58808581, 63332318, 117617162, 411660067, 823320134]

約数ペア:

[(1, 823320134), (2, 411660067), (7, 117617162), (13, 63332318), (14, 58808581), (26, 31666159), (31, 26558714), (62, 13279357), (73, 11278358), (91, 9047474), (146, 5639179), (182, 4523737), (217, 3794102), (403, 2042978), (434, 1897051), (511, 1611194), (806, 1021489), (949, 867566), (1022, 805597), (1898, 433783), (1999, 411866), (2263, 363818), (2821, 291854), (3998, 205933), (4526, 181909), (5642, 145927), (6643, 123938), (13286, 61969), (13993, 58838), (15841, 51974), (25987, 31682), (27986, 29419)]