78201808

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{54917}}^1$

素因数の和:55014

約数の個数: 20

約数和(自身を含む): 153221220

約数和(自身を除く): 75019412

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 54917, 109834, 219668, 439336, 878672, 4887613, 9775226, 19550452, 39100904, 78201808]

約数ペア:

[(1, 78201808), (2, 39100904), (4, 19550452), (8, 9775226), (16, 4887613), (89, 878672), (178, 439336), (356, 219668), (712, 109834), (1424, 54917)]