196358981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{4079}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 252698880

約数和(自身を除く): 56339899

約数列:

[1, 7, 13, 23, 91, 161, 299, 529, 2093, 3703, 4079, 6877, 28553, 48139, 53027, 93817, 371189, 656719, 1219621, 2157791, 8537347, 15104537, 28051283, 196358981]

約数ペア:

[(1, 196358981), (7, 28051283), (13, 15104537), (23, 8537347), (91, 2157791), (161, 1219621), (299, 656719), (529, 371189), (2093, 93817), (3703, 53027), (4079, 48139), (6877, 28553)]