1290291254

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{4817}}^1$

素因数の和:4917

約数の個数: 48

約数和(自身を含む): 2379012768

約数和(自身を除く): 1088721514

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 361, 371, 722, 742, 1007, 2014, 2527, 4817, 5054, 7049, 9634, 14098, 19133, 33719, 38266, 67438, 91523, 133931, 183046, 255301, 267862, 510602, 640661, 1281322, 1738937, 1787107, 3477874, 3574214, 4850719, 9701438, 12172559, 24345118, 33955033, 67910066, 92163661, 184327322, 645145627, 1290291254]

約数ペア:

[(1, 1290291254), (2, 645145627), (7, 184327322), (14, 92163661), (19, 67910066), (38, 33955033), (53, 24345118), (106, 12172559), (133, 9701438), (266, 4850719), (361, 3574214), (371, 3477874), (722, 1787107), (742, 1738937), (1007, 1281322), (2014, 640661), (2527, 510602), (4817, 267862), (5054, 255301), (7049, 183046), (9634, 133931), (14098, 91523), (19133, 67438), (33719, 38266)]