81320044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1373}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 164814048

約数和(自身を除く): 83494004

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 442, 871, 884, 1139, 1373, 1742, 2278, 2746, 3484, 4556, 5492, 14807, 17849, 23341, 29614, 35698, 46682, 59228, 71396, 91991, 93364, 183982, 303433, 367964, 606866, 1195883, 1213732, 1563847, 2391766, 3127694, 4783532, 6255388, 20330011, 40660022, 81320044]

約数ペア:

[(1, 81320044), (2, 40660022), (4, 20330011), (13, 6255388), (17, 4783532), (26, 3127694), (34, 2391766), (52, 1563847), (67, 1213732), (68, 1195883), (134, 606866), (221, 367964), (268, 303433), (442, 183982), (871, 93364), (884, 91991), (1139, 71396), (1373, 59228), (1742, 46682), (2278, 35698), (2746, 29614), (3484, 23341), (4556, 17849), (5492, 14807)]