7978817

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 10292832

約数和(自身を除く): 2314015

約数列:

[1, 7, 11, 49, 77, 113, 131, 539, 791, 917, 1243, 1441, 5537, 6419, 8701, 10087, 14803, 60907, 70609, 103621, 162833, 725347, 1139831, 7978817]

約数ペア:

[(1, 7978817), (7, 1139831), (11, 725347), (49, 162833), (77, 103621), (113, 70609), (131, 60907), (539, 14803), (791, 10087), (917, 8701), (1243, 6419), (1441, 5537)]