216462584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67141}}^1$

素因数の和:67191

約数の個数: 32

約数和(自身を含む): 451194240

約数和(自身を除く): 234731656

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 67141, 134282, 268564, 537128, 872833, 1745666, 2081371, 3491332, 4162742, 6982664, 8325484, 16650968, 27057823, 54115646, 108231292, 216462584]

約数ペア:

[(1, 216462584), (2, 108231292), (4, 54115646), (8, 27057823), (13, 16650968), (26, 8325484), (31, 6982664), (52, 4162742), (62, 3491332), (104, 2081371), (124, 1745666), (248, 872833), (403, 537128), (806, 268564), (1612, 134282), (3224, 67141)]