78391124

素因数分解:

$2^2\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{1987}}^1$

素因数の和:3407

約数の個数: 24

約数和(自身を含む): 156972480

約数和(自身を除く): 78581356

約数列:

[1, 2, 4, 7, 14, 28, 1409, 1987, 2818, 3974, 5636, 7948, 9863, 13909, 19726, 27818, 39452, 55636, 2799683, 5599366, 11198732, 19597781, 39195562, 78391124]

約数ペア:

[(1, 78391124), (2, 39195562), (4, 19597781), (7, 11198732), (14, 5599366), (28, 2799683), (1409, 55636), (1987, 39452), (2818, 27818), (3974, 19726), (5636, 13909), (7948, 9863)]