78676624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{378253}}^1$

素因数の和:378274

約数の個数: 20

約数和(自身を含む): 164162236

約数和(自身を除く): 85485612

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378253, 756506, 1513012, 3026024, 4917289, 6052048, 9834578, 19669156, 39338312, 78676624]

約数ペア:

[(1, 78676624), (2, 39338312), (4, 19669156), (8, 9834578), (13, 6052048), (16, 4917289), (26, 3026024), (52, 1513012), (104, 756506), (208, 378253)]