197521987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{16901}}^1$

素因数の和:16974

約数の個数: 16

約数和(自身を含む): 227162880

約数和(自身を除く): 29640893

約数列:

[1, 13, 29, 31, 377, 403, 899, 11687, 16901, 219713, 490129, 523931, 6371677, 6811103, 15193999, 197521987]

約数ペア:

[(1, 197521987), (13, 15193999), (29, 6811103), (31, 6371677), (377, 523931), (403, 490129), (899, 219713), (11687, 16901)]