85209971

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 108961200

約数和(自身を除く): 23751229

約数列:

[1, 7, 11, 49, 77, 149, 539, 1043, 1061, 1639, 7301, 7427, 11473, 11671, 51989, 80311, 81697, 158089, 571879, 1106623, 1738979, 7746361, 12172853, 85209971]

約数ペア:

[(1, 85209971), (7, 12172853), (11, 7746361), (49, 1738979), (77, 1106623), (149, 571879), (539, 158089), (1043, 81697), (1061, 80311), (1639, 51989), (7301, 11671), (7427, 11473)]