81897413

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 90773760

約数和(自身を除く): 8876347

約数列:

[1, 13, 43, 239, 559, 613, 3107, 7969, 10277, 26359, 133601, 146507, 342667, 1904591, 6299801, 81897413]

約数ペア:

[(1, 81897413), (13, 6299801), (43, 1904591), (239, 342667), (559, 146507), (613, 133601), (3107, 26359), (7969, 10277)]