285038728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{161221}}^1$

素因数の和:161257

約数の個数: 32

約数和(自身を含む): 609419160

約数和(自身を除く): 324380432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 161221, 322442, 644884, 1289768, 2095873, 2740757, 4191746, 5481514, 8383492, 10963028, 16766984, 21926056, 35629841, 71259682, 142519364, 285038728]

約数ペア:

[(1, 285038728), (2, 142519364), (4, 71259682), (8, 35629841), (13, 21926056), (17, 16766984), (26, 10963028), (34, 8383492), (52, 5481514), (68, 4191746), (104, 2740757), (136, 2095873), (221, 1289768), (442, 644884), (884, 322442), (1768, 161221)]