81147784

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3583}}^1$

素因数の和:3757

約数の個数: 32

約数和(自身を含む): 161280000

約数和(自身を除く): 80132216

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 1192, 2831, 3583, 5662, 7166, 11324, 14332, 22648, 28664, 68077, 136154, 272308, 533867, 544616, 1067734, 2135468, 4270936, 10143473, 20286946, 40573892, 81147784]

約数ペア:

[(1, 81147784), (2, 40573892), (4, 20286946), (8, 10143473), (19, 4270936), (38, 2135468), (76, 1067734), (149, 544616), (152, 533867), (298, 272308), (596, 136154), (1192, 68077), (2831, 28664), (3583, 22648), (5662, 14332), (7166, 11324)]