87191728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{419191}}^1$

素因数の和:419212

約数の個数: 20

約数和(自身を含む): 181929328

約数和(自身を除く): 94737600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 419191, 838382, 1676764, 3353528, 5449483, 6707056, 10898966, 21797932, 43595864, 87191728]

約数ペア:

[(1, 87191728), (2, 43595864), (4, 21797932), (8, 10898966), (13, 6707056), (16, 5449483), (26, 3353528), (52, 1676764), (104, 838382), (208, 419191)]