139497985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{81817}}^1$

素因数の和:81864

約数の個数: 16

約数和(自身を含む): 188508672

約数和(自身を除く): 49010687

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 81817, 409085, 899987, 2536327, 4499935, 12681635, 27899597, 139497985]

約数ペア:

[(1, 139497985), (5, 27899597), (11, 12681635), (31, 4499935), (55, 2536327), (155, 899987), (341, 409085), (1705, 81817)]