81906384

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243769}}^1$

素因数の和:243787

約数の個数: 40

約数和(自身を含む): 241819840

約数和(自身を除く): 159913456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243769, 487538, 731307, 975076, 1462614, 1706383, 1950152, 2925228, 3412766, 3900304, 5119149, 5850456, 6825532, 10238298, 11700912, 13651064, 20476596, 27302128, 40953192, 81906384]

約数ペア:

[(1, 81906384), (2, 40953192), (3, 27302128), (4, 20476596), (6, 13651064), (7, 11700912), (8, 10238298), (12, 6825532), (14, 5850456), (16, 5119149), (21, 3900304), (24, 3412766), (28, 2925228), (42, 1950152), (48, 1706383), (56, 1462614), (84, 975076), (112, 731307), (168, 487538), (336, 243769)]