2221498

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:333

約数の個数: 16

約数和(自身を含む): 3437280

約数和(自身を除く): 1215782

約数列:

[1, 2, 61, 122, 131, 139, 262, 278, 7991, 8479, 15982, 16958, 18209, 36418, 1110749, 2221498]

約数ペア:

[(1, 2221498), (2, 1110749), (61, 36418), (122, 18209), (131, 16958), (139, 15982), (262, 8479), (278, 7991)]