55858621

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19852

約数の個数: 16

約数和(自身を含む): 70970368

約数和(自身を除く): 15111747

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 19801, 138607, 257413, 613831, 1801891, 4296817, 7979803, 55858621]

約数ペア:

[(1, 55858621), (7, 7979803), (13, 4296817), (31, 1801891), (91, 613831), (217, 257413), (403, 138607), (2821, 19801)]