826628789

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 1004451840

約数和(自身を除く): 177823051

約数列:

[1, 7, 29, 71, 83, 203, 497, 581, 691, 2059, 2407, 4837, 5893, 14413, 16849, 20039, 41251, 49061, 57353, 140273, 170897, 343427, 401471, 1196279, 1422769, 1663237, 4072063, 9959383, 11642659, 28504441, 118089827, 826628789]

約数ペア:

[(1, 826628789), (7, 118089827), (29, 28504441), (71, 11642659), (83, 9959383), (203, 4072063), (497, 1663237), (581, 1422769), (691, 1196279), (2059, 401471), (2407, 343427), (4837, 170897), (5893, 140273), (14413, 57353), (16849, 49061), (20039, 41251)]