85987013

素因数分解:

$7^4\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 20

約数和(自身を含む): 102180480

約数和(自身を除く): 16193467

約数列:

[1, 7, 49, 59, 343, 413, 607, 2401, 2891, 4249, 20237, 29743, 35813, 141659, 208201, 250691, 1457407, 1754837, 12283859, 85987013]

約数ペア:

[(1, 85987013), (7, 12283859), (49, 1754837), (59, 1457407), (343, 250691), (413, 208201), (607, 141659), (2401, 35813), (2891, 29743), (4249, 20237)]