127788498

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{99991}}^1$

素因数の和:100070

約数の個数: 24

約数和(自身を含む): 280777536

約数和(自身を除く): 152989038

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 99991, 199982, 299973, 599946, 899919, 1799838, 7099361, 14198722, 21298083, 42596166, 63894249, 127788498]

約数ペア:

[(1, 127788498), (2, 63894249), (3, 42596166), (6, 21298083), (9, 14198722), (18, 7099361), (71, 1799838), (142, 899919), (213, 599946), (426, 299973), (639, 199982), (1278, 99991)]