686909795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 989148672

約数和(自身を除く): 302238877

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 169, 335, 715, 737, 845, 871, 1103, 1859, 3685, 4355, 5515, 9295, 9581, 11323, 12133, 14339, 47905, 56615, 60665, 71695, 73901, 124553, 157729, 186407, 369505, 622765, 788645, 812911, 932035, 960713, 2050477, 4064555, 4803565, 10252385, 10567843, 12489269, 52839215, 62446345, 137381959, 686909795]

約数ペア:

[(1, 686909795), (5, 137381959), (11, 62446345), (13, 52839215), (55, 12489269), (65, 10567843), (67, 10252385), (143, 4803565), (169, 4064555), (335, 2050477), (715, 960713), (737, 932035), (845, 812911), (871, 788645), (1103, 622765), (1859, 369505), (3685, 186407), (4355, 157729), (5515, 124553), (9295, 73901), (9581, 71695), (11323, 60665), (12133, 56615), (14339, 47905)]