78462778

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{859}}^1$

素因数の和:1389

約数の個数: 16

約数和(自身を含む): 119196000

約数和(自身を除く): 40733222

約数列:

[1, 2, 109, 218, 419, 838, 859, 1718, 45671, 91342, 93631, 187262, 359921, 719842, 39231389, 78462778]

約数ペア:

[(1, 78462778), (2, 39231389), (109, 719842), (218, 359921), (419, 187262), (838, 93631), (859, 91342), (1718, 45671)]