1278206468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{58451}}^1$

素因数の和:58544

約数の個数: 48

約数和(自身を含む): 2828141568

約数和(自身を除く): 1549935100

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868, 58451, 116902, 233804, 409157, 642961, 818314, 1285922, 1636628, 2571844, 4150021, 4500727, 8300042, 9001454, 16600084, 18002908, 29050147, 45650231, 58100294, 91300462, 116200588, 182600924, 319551617, 639103234, 1278206468]

約数ペア:

[(1, 1278206468), (2, 639103234), (4, 319551617), (7, 182600924), (11, 116200588), (14, 91300462), (22, 58100294), (28, 45650231), (44, 29050147), (71, 18002908), (77, 16600084), (142, 9001454), (154, 8300042), (284, 4500727), (308, 4150021), (497, 2571844), (781, 1636628), (994, 1285922), (1562, 818314), (1988, 642961), (3124, 409157), (5467, 233804), (10934, 116902), (21868, 58451)]