40199978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220879}}^1$

素因数の和:220901

約数の個数: 16

約数和(自身を含む): 74215680

約数和(自身を除く): 34015702

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 220879, 441758, 1546153, 2871427, 3092306, 5742854, 20099989, 40199978]

約数ペア:

[(1, 40199978), (2, 20099989), (7, 5742854), (13, 3092306), (14, 2871427), (26, 1546153), (91, 441758), (182, 220879)]