129649936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20107}}^1$

素因数の和:20159

約数の個数: 40

約数和(自身を含む): 279259904

約数和(自身を除く): 149609968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20107, 40214, 80428, 160856, 261391, 321712, 522782, 623317, 1045564, 1246634, 2091128, 2493268, 4182256, 4986536, 8103121, 9973072, 16206242, 32412484, 64824968, 129649936]

約数ペア:

[(1, 129649936), (2, 64824968), (4, 32412484), (8, 16206242), (13, 9973072), (16, 8103121), (26, 4986536), (31, 4182256), (52, 2493268), (62, 2091128), (104, 1246634), (124, 1045564), (208, 623317), (248, 522782), (403, 321712), (496, 261391), (806, 160856), (1612, 80428), (3224, 40214), (6448, 20107)]