220458266

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{9643}}^1$

素因数の和:9746

約数の個数: 32

約数和(自身を含む): 399955968

約数和(自身を除く): 179497702

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 994, 1633, 3266, 9643, 11431, 19286, 22862, 67501, 135002, 221789, 443578, 684653, 1369306, 1552523, 3105046, 4792571, 9585142, 15747019, 31494038, 110229133, 220458266]

約数ペア:

[(1, 220458266), (2, 110229133), (7, 31494038), (14, 15747019), (23, 9585142), (46, 4792571), (71, 3105046), (142, 1552523), (161, 1369306), (322, 684653), (497, 443578), (994, 221789), (1633, 135002), (3266, 67501), (9643, 22862), (11431, 19286)]