690905982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{10789}}^1$

素因数の和:11628

約数の個数: 32

約数和(自身を含む): 1490055840

約数和(自身を除く): 799149858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 821, 1642, 2463, 4926, 10673, 10789, 21346, 21578, 32019, 32367, 64038, 64734, 140257, 280514, 420771, 841542, 8857769, 17715538, 26573307, 53146614, 115150997, 230301994, 345452991, 690905982]

約数ペア:

[(1, 690905982), (2, 345452991), (3, 230301994), (6, 115150997), (13, 53146614), (26, 26573307), (39, 17715538), (78, 8857769), (821, 841542), (1642, 420771), (2463, 280514), (4926, 140257), (10673, 64734), (10789, 64038), (21346, 32367), (21578, 32019)]