289968196

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{28687}}^1$

素因数の和:28736

約数の個数: 36

約数和(自身を含む): 612087168

約数和(自身を除く): 322118972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 28687, 57374, 114748, 200809, 401618, 545053, 803236, 1090106, 2180212, 3815371, 7630742, 10356007, 15261484, 20712014, 41424028, 72492049, 144984098, 289968196]

約数ペア:

[(1, 289968196), (2, 144984098), (4, 72492049), (7, 41424028), (14, 20712014), (19, 15261484), (28, 10356007), (38, 7630742), (76, 3815371), (133, 2180212), (266, 1090106), (361, 803236), (532, 545053), (722, 401618), (1444, 200809), (2527, 114748), (5054, 57374), (10108, 28687)]