78580048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{258487}}^1$

素因数の和:258514

約数の個数: 20

約数和(自身を含む): 160262560

約数和(自身を除く): 81682512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 258487, 516974, 1033948, 2067896, 4135792, 4911253, 9822506, 19645012, 39290024, 78580048]

約数ペア:

[(1, 78580048), (2, 39290024), (4, 19645012), (8, 9822506), (16, 4911253), (19, 4135792), (38, 2067896), (76, 1033948), (152, 516974), (304, 258487)]