55740139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19759}}^1$

素因数の和:19810

約数の個数: 16

約数和(自身を含む): 70819840

約数和(自身を除く): 15079701

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 19759, 138313, 256867, 612529, 1798069, 4287703, 7962877, 55740139]

約数ペア:

[(1, 55740139), (7, 7962877), (13, 4287703), (31, 1798069), (91, 612529), (217, 256867), (403, 138313), (2821, 19759)]