786991090

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{39607}}^1$

素因数の和:41601

約数の個数: 16

約数和(自身を含む): 1417332672

約数和(自身を除く): 630341582

約数列:

[1, 2, 5, 10, 1987, 3974, 9935, 19870, 39607, 79214, 198035, 396070, 78699109, 157398218, 393495545, 786991090]

約数ペア:

[(1, 786991090), (2, 393495545), (5, 157398218), (10, 78699109), (1987, 396070), (3974, 198035), (9935, 79214), (19870, 39607)]