490238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 24

約数和(自身を含む): 896112

約数和(自身を除く): 405874

約数列:

[1, 2, 7, 14, 19, 38, 97, 133, 194, 266, 361, 679, 722, 1358, 1843, 2527, 3686, 5054, 12901, 25802, 35017, 70034, 245119, 490238]

約数ペア:

[(1, 490238), (2, 245119), (7, 70034), (14, 35017), (19, 25802), (38, 12901), (97, 5054), (133, 3686), (194, 2527), (266, 1843), (361, 1358), (679, 722)]