253038863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 341639424

約数和(自身を除く): 88600561

約数列:

[1, 7, 11, 17, 77, 83, 119, 137, 187, 289, 581, 913, 959, 1309, 1411, 1507, 2023, 2329, 3179, 6391, 9877, 10549, 11371, 15521, 16303, 22253, 23987, 25619, 39593, 79597, 108647, 125081, 167909, 179333, 193307, 263857, 277151, 435523, 875567, 1353149, 1846999, 2126377, 3048661, 3286219, 14884639, 23003533, 36148409, 253038863]

約数ペア:

[(1, 253038863), (7, 36148409), (11, 23003533), (17, 14884639), (77, 3286219), (83, 3048661), (119, 2126377), (137, 1846999), (187, 1353149), (289, 875567), (581, 435523), (913, 277151), (959, 263857), (1309, 193307), (1411, 179333), (1507, 167909), (2023, 125081), (2329, 108647), (3179, 79597), (6391, 39593), (9877, 25619), (10549, 23987), (11371, 22253), (15521, 16303)]