31980304

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 67602816

約数和(自身を除く): 35622512

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 47, 86, 92, 94, 172, 184, 188, 344, 368, 376, 688, 752, 989, 1081, 1849, 1978, 2021, 2162, 3698, 3956, 4042, 4324, 7396, 7912, 8084, 8648, 14792, 15824, 16168, 17296, 29584, 32336, 42527, 46483, 85054, 86903, 92966, 170108, 173806, 185932, 340216, 347612, 371864, 680432, 695224, 743728, 1390448, 1998769, 3997538, 7995076, 15990152, 31980304]

約数ペア:

[(1, 31980304), (2, 15990152), (4, 7995076), (8, 3997538), (16, 1998769), (23, 1390448), (43, 743728), (46, 695224), (47, 680432), (86, 371864), (92, 347612), (94, 340216), (172, 185932), (184, 173806), (188, 170108), (344, 92966), (368, 86903), (376, 85054), (688, 46483), (752, 42527), (989, 32336), (1081, 29584), (1849, 17296), (1978, 16168), (2021, 15824), (2162, 14792), (3698, 8648), (3956, 8084), (4042, 7912), (4324, 7396)]