82889872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{398509}}^1$

素因数の和:398530

約数の個数: 20

約数和(自身を含む): 172953340

約数和(自身を除く): 90063468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 398509, 797018, 1594036, 3188072, 5180617, 6376144, 10361234, 20722468, 41444936, 82889872]

約数ペア:

[(1, 82889872), (2, 41444936), (4, 20722468), (8, 10361234), (13, 6376144), (16, 5180617), (26, 3188072), (52, 1594036), (104, 797018), (208, 398509)]