205231728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{328897}}^1$

素因数の和:328921

約数の個数: 40

約数和(自身を含む): 570966928

約数和(自身を除く): 365735200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 328897, 657794, 986691, 1315588, 1973382, 2631176, 3946764, 4275661, 5262352, 7893528, 8551322, 12826983, 15787056, 17102644, 25653966, 34205288, 51307932, 68410576, 102615864, 205231728]

約数ペア:

[(1, 205231728), (2, 102615864), (3, 68410576), (4, 51307932), (6, 34205288), (8, 25653966), (12, 17102644), (13, 15787056), (16, 12826983), (24, 8551322), (26, 7893528), (39, 5262352), (48, 4275661), (52, 3946764), (78, 2631176), (104, 1973382), (156, 1315588), (208, 986691), (312, 657794), (624, 328897)]