77708878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1439}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 53895602

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 806, 871, 1439, 1742, 2077, 2878, 4154, 18707, 27001, 37414, 44609, 54002, 89218, 96413, 192826, 579917, 1159834, 1253369, 2506738, 2988803, 5977606, 38854439, 77708878]

約数ペア:

[(1, 77708878), (2, 38854439), (13, 5977606), (26, 2988803), (31, 2506738), (62, 1253369), (67, 1159834), (134, 579917), (403, 192826), (806, 96413), (871, 89218), (1439, 54002), (1742, 44609), (2077, 37414), (2878, 27001), (4154, 18707)]