28856048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138731}}^1$

素因数の和:138752

約数の個数: 20

約数和(自身を含む): 60209688

約数和(自身を除く): 31353640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138731, 277462, 554924, 1109848, 1803503, 2219696, 3607006, 7214012, 14428024, 28856048]

約数ペア:

[(1, 28856048), (2, 14428024), (4, 7214012), (8, 3607006), (13, 2219696), (16, 1803503), (26, 1109848), (52, 554924), (104, 277462), (208, 138731)]