1640989712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3308447}}^1$

素因数の和:3308486

約数の個数: 20

約数和(自身を含む): 3281980416

約数和(自身を除く): 1640990704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3308447, 6616894, 13233788, 26467576, 52935152, 102561857, 205123714, 410247428, 820494856, 1640989712]

約数ペア:

[(1, 1640989712), (2, 820494856), (4, 410247428), (8, 205123714), (16, 102561857), (31, 52935152), (62, 26467576), (124, 13233788), (248, 6616894), (496, 3308447)]