218004865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{108191}}^1$

素因数の和:108240

約数の個数: 16

約数和(自身を含む): 290820096

約数和(自身を除く): 72815231

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 108191, 540955, 1406483, 3353921, 7032415, 16769605, 43600973, 218004865]

約数ペア:

[(1, 218004865), (5, 43600973), (13, 16769605), (31, 7032415), (65, 3353921), (155, 1406483), (403, 540955), (2015, 108191)]