39100978

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 68705280

約数和(自身を除く): 29604302

約数列:

[1, 2, 7, 14, 71, 139, 142, 278, 283, 497, 566, 973, 994, 1946, 1981, 3962, 9869, 19738, 20093, 39337, 40186, 69083, 78674, 138166, 140651, 275359, 281302, 550718, 2792927, 5585854, 19550489, 39100978]

約数ペア:

[(1, 39100978), (2, 19550489), (7, 5585854), (14, 2792927), (71, 550718), (139, 281302), (142, 275359), (278, 140651), (283, 138166), (497, 78674), (566, 69083), (973, 40186), (994, 39337), (1946, 20093), (1981, 19738), (3962, 9869)]