81467152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1091}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 170614080

約数和(自身を除く): 89146928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 359, 718, 1091, 1436, 2182, 2872, 4364, 4667, 5744, 8728, 9334, 14183, 17456, 18668, 28366, 37336, 56732, 74672, 113464, 226928, 391669, 783338, 1566676, 3133352, 5091697, 6266704, 10183394, 20366788, 40733576, 81467152]

約数ペア:

[(1, 81467152), (2, 40733576), (4, 20366788), (8, 10183394), (13, 6266704), (16, 5091697), (26, 3133352), (52, 1566676), (104, 783338), (208, 391669), (359, 226928), (718, 113464), (1091, 74672), (1436, 56732), (2182, 37336), (2872, 28366), (4364, 18668), (4667, 17456), (5744, 14183), (8728, 9334)]