28921870

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{39619}}^1$

素因数の和:39699

約数の個数: 16

約数和(自身を含む): 52773840

約数和(自身を除く): 23851970

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 39619, 79238, 198095, 396190, 2892187, 5784374, 14460935, 28921870]

約数ペア:

[(1, 28921870), (2, 14460935), (5, 5784374), (10, 2892187), (73, 396190), (146, 198095), (365, 79238), (730, 39619)]