254095919

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2393}}^1$

素因数の和:2615

約数の個数: 24

約数和(自身を含む): 324224208

約数和(自身を除く): 70128289

約数列:

[1, 7, 11, 49, 77, 197, 539, 1379, 2167, 2393, 9653, 15169, 16751, 26323, 106183, 117257, 184261, 471421, 1289827, 3299947, 5185631, 23099629, 36299417, 254095919]

約数ペア:

[(1, 254095919), (7, 36299417), (11, 23099629), (49, 5185631), (77, 3299947), (197, 1289827), (539, 471421), (1379, 184261), (2167, 117257), (2393, 106183), (9653, 26323), (15169, 16751)]