78889790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3671}}^1$

素因数の和:3992

約数の個数: 32

約数和(自身を含む): 162860544

約数和(自身を除く): 83970754

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1535, 2149, 3070, 3671, 4298, 7342, 10745, 18355, 21490, 25697, 36710, 51394, 128485, 256970, 1126997, 2253994, 5634985, 7888979, 11269970, 15777958, 39444895, 78889790]

約数ペア:

[(1, 78889790), (2, 39444895), (5, 15777958), (7, 11269970), (10, 7888979), (14, 5634985), (35, 2253994), (70, 1126997), (307, 256970), (614, 128485), (1535, 51394), (2149, 36710), (3070, 25697), (3671, 21490), (4298, 18355), (7342, 10745)]