65571919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3109}}^1$

素因数の和:3270

約数の個数: 16

約数和(自身を含む): 78819840

約数和(自身を除く): 13247921

約数列:

[1, 7, 23, 131, 161, 917, 3013, 3109, 21091, 21763, 71507, 407279, 500549, 2850953, 9367417, 65571919]

約数ペア:

[(1, 65571919), (7, 9367417), (23, 2850953), (131, 500549), (161, 407279), (917, 71507), (3013, 21763), (3109, 21091)]