12969385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 19707408

約数和(自身を除く): 6738023

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 97, 121, 143, 187, 221, 485, 605, 715, 935, 1067, 1105, 1261, 1573, 1649, 2057, 2431, 5335, 6305, 7865, 8245, 10285, 11737, 12155, 13871, 18139, 21437, 26741, 58685, 69355, 90695, 107185, 133705, 152581, 199529, 235807, 762905, 997645, 1179035, 2593877, 12969385]

約数ペア:

[(1, 12969385), (5, 2593877), (11, 1179035), (13, 997645), (17, 762905), (55, 235807), (65, 199529), (85, 152581), (97, 133705), (121, 107185), (143, 90695), (187, 69355), (221, 58685), (485, 26741), (605, 21437), (715, 18139), (935, 13871), (1067, 12155), (1105, 11737), (1261, 10285), (1573, 8245), (1649, 7865), (2057, 6305), (2431, 5335)]