78878198

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10691}}^1$

素因数の和:10748

約数の個数: 32

約数和(自身を含む): 147806208

約数和(自身を除く): 68928010

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 3689, 7378, 10691, 21382, 74837, 149674, 181747, 331421, 363494, 662842, 1272229, 2319947, 2544458, 4639894, 5634157, 11268314, 39439099, 78878198]

約数ペア:

[(1, 78878198), (2, 39439099), (7, 11268314), (14, 5634157), (17, 4639894), (31, 2544458), (34, 2319947), (62, 1272229), (119, 662842), (217, 363494), (238, 331421), (434, 181747), (527, 149674), (1054, 74837), (3689, 21382), (7378, 10691)]