81465618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1997}}^1$

素因数の和:2538

約数の個数: 32

約数和(自身を含む): 175887936

約数和(自身を除く): 94422318

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 523, 1046, 1569, 1997, 3138, 3994, 5991, 6799, 11982, 13598, 20397, 25961, 40794, 51922, 77883, 155766, 1044431, 2088862, 3133293, 6266586, 13577603, 27155206, 40732809, 81465618]

約数ペア:

[(1, 81465618), (2, 40732809), (3, 27155206), (6, 13577603), (13, 6266586), (26, 3133293), (39, 2088862), (78, 1044431), (523, 155766), (1046, 77883), (1569, 51922), (1997, 40794), (3138, 25961), (3994, 20397), (5991, 13598), (6799, 11982)]