180446287

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 223534080

約数和(自身を除く): 43087793

約数列:

[1, 7, 19, 71, 97, 133, 197, 497, 679, 1349, 1379, 1843, 3743, 6887, 9443, 12901, 13987, 19109, 26201, 48209, 97909, 130853, 133763, 265753, 363071, 915971, 1356739, 1860271, 2541497, 9497173, 25778041, 180446287]

約数ペア:

[(1, 180446287), (7, 25778041), (19, 9497173), (71, 2541497), (97, 1860271), (133, 1356739), (197, 915971), (497, 363071), (679, 265753), (1349, 133763), (1379, 130853), (1843, 97909), (3743, 48209), (6887, 26201), (9443, 19109), (12901, 13987)]