72978734

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{4937}}^1$

素因数の和:5347

約数の個数: 16

約数和(自身を含む): 115549200

約数和(自身を除く): 42570466

約数列:

[1, 2, 19, 38, 389, 778, 4937, 7391, 9874, 14782, 93803, 187606, 1920493, 3840986, 36489367, 72978734]

約数ペア:

[(1, 72978734), (2, 36489367), (19, 3840986), (38, 1920493), (389, 187606), (778, 93803), (4937, 14782), (7391, 9874)]