215501188

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{108401}}^1$

素因数の和:108483

約数の個数: 24

約数和(自身を含む): 437076864

約数和(自身を除く): 221575676

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 108401, 216802, 433604, 758807, 1517614, 3035228, 7696471, 15392942, 30785884, 53875297, 107750594, 215501188]

約数ペア:

[(1, 215501188), (2, 107750594), (4, 53875297), (7, 30785884), (14, 15392942), (28, 7696471), (71, 3035228), (142, 1517614), (284, 758807), (497, 433604), (994, 216802), (1988, 108401)]