2018968705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1\times {\mathrm{1627}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 2766766464

約数和(自身を除く): 747797759

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1123, 1627, 5615, 8135, 14599, 19091, 21151, 27659, 72995, 95455, 105755, 138295, 248183, 359567, 1240915, 1797835, 1827121, 9135605, 23752573, 31061057, 118762865, 155305285, 403793741, 2018968705]

約数ペア:

[(1, 2018968705), (5, 403793741), (13, 155305285), (17, 118762865), (65, 31061057), (85, 23752573), (221, 9135605), (1105, 1827121), (1123, 1797835), (1627, 1240915), (5615, 359567), (8135, 248183), (14599, 138295), (19091, 105755), (21151, 95455), (27659, 72995)]