81865392

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243647}}^1$

素因数の和:243665

約数の個数: 40

約数和(自身を含む): 241698816

約数和(自身を除く): 159833424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243647, 487294, 730941, 974588, 1461882, 1705529, 1949176, 2923764, 3411058, 3898352, 5116587, 5847528, 6822116, 10233174, 11695056, 13644232, 20466348, 27288464, 40932696, 81865392]

約数ペア:

[(1, 81865392), (2, 40932696), (3, 27288464), (4, 20466348), (6, 13644232), (7, 11695056), (8, 10233174), (12, 6822116), (14, 5847528), (16, 5116587), (21, 3898352), (24, 3411058), (28, 2923764), (42, 1949176), (48, 1705529), (56, 1461882), (84, 974588), (112, 730941), (168, 487294), (336, 243647)]