68508245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 91779072

約数和(自身を除く): 23270827

約数列:

[1, 5, 13, 43, 65, 127, 193, 215, 559, 635, 965, 1651, 2509, 2795, 5461, 8255, 8299, 12545, 24511, 27305, 41495, 70993, 107887, 122555, 318643, 354965, 539435, 1053973, 1593215, 5269865, 13701649, 68508245]

約数ペア:

[(1, 68508245), (5, 13701649), (13, 5269865), (43, 1593215), (65, 1053973), (127, 539435), (193, 354965), (215, 318643), (559, 122555), (635, 107887), (965, 70993), (1651, 41495), (2509, 27305), (2795, 24511), (5461, 12545), (8255, 8299)]