78617019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 115718400

約数和(自身を除く): 37101381

約数列:

[1, 3, 13, 39, 83, 149, 163, 249, 447, 489, 1079, 1937, 2119, 3237, 5811, 6357, 12367, 13529, 24287, 37101, 40587, 72861, 160771, 175877, 315731, 482313, 527631, 947193, 2015821, 6047463, 26205673, 78617019]

約数ペア:

[(1, 78617019), (3, 26205673), (13, 6047463), (39, 2015821), (83, 947193), (149, 527631), (163, 482313), (249, 315731), (447, 175877), (489, 160771), (1079, 72861), (1937, 40587), (2119, 37101), (3237, 24287), (5811, 13529), (6357, 12367)]