225878009

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{11047}}^1$

素因数の和:11204

約数の個数: 16

約数和(自身を含む): 271515648

約数和(自身を除く): 45637639

約数列:

[1, 7, 23, 127, 161, 889, 2921, 11047, 20447, 77329, 254081, 1402969, 1778567, 9820783, 32268287, 225878009]

約数ペア:

[(1, 225878009), (7, 32268287), (23, 9820783), (127, 1778567), (161, 1402969), (889, 254081), (2921, 77329), (11047, 20447)]