78021892

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:788

約数の個数: 36

約数和(自身を含む): 148821456

約数和(自身を除く): 70799564

約数列:

[1, 2, 4, 13, 26, 52, 169, 211, 338, 422, 547, 676, 844, 1094, 2188, 2743, 5486, 7111, 10972, 14222, 28444, 35659, 71318, 92443, 115417, 142636, 184886, 230834, 369772, 461668, 1500421, 3000842, 6001684, 19505473, 39010946, 78021892]

約数ペア:

[(1, 78021892), (2, 39010946), (4, 19505473), (13, 6001684), (26, 3000842), (52, 1500421), (169, 461668), (211, 369772), (338, 230834), (422, 184886), (547, 142636), (676, 115417), (844, 92443), (1094, 71318), (2188, 35659), (2743, 28444), (5486, 14222), (7111, 10972)]