78840976

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{25013}}^1$

素因数の和:25218

約数の個数: 20

約数和(自身を含む): 153535932

約数和(自身を除く): 74694956

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 25013, 50026, 100052, 200104, 400208, 4927561, 9855122, 19710244, 39420488, 78840976]

約数ペア:

[(1, 78840976), (2, 39420488), (4, 19710244), (8, 9855122), (16, 4927561), (197, 400208), (394, 200104), (788, 100052), (1576, 50026), (3152, 25013)]