254144429

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 339811200

約数和(自身を除く): 85666771

約数列:

[1, 7, 11, 29, 49, 71, 77, 203, 229, 319, 497, 539, 781, 1421, 1603, 2059, 2233, 2519, 3479, 5467, 6641, 11221, 14413, 15631, 16259, 17633, 22649, 38269, 46487, 73051, 100891, 113813, 123431, 158543, 178849, 325409, 471511, 511357, 796691, 1109801, 1251943, 3300577, 3579499, 5186621, 8763601, 23104039, 36306347, 254144429]

約数ペア:

[(1, 254144429), (7, 36306347), (11, 23104039), (29, 8763601), (49, 5186621), (71, 3579499), (77, 3300577), (203, 1251943), (229, 1109801), (319, 796691), (497, 511357), (539, 471511), (781, 325409), (1421, 178849), (1603, 158543), (2059, 123431), (2233, 113813), (2519, 100891), (3479, 73051), (5467, 46487), (6641, 38269), (11221, 22649), (14413, 17633), (15631, 16259)]