990823678

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1601}}^1\times {\mathrm{1831}}^1$

素因数の和:3460

約数の個数: 24

約数和(自身を含む): 1611240336

約数和(自身を除く): 620416658

約数列:

[1, 2, 13, 26, 169, 338, 1601, 1831, 3202, 3662, 20813, 23803, 41626, 47606, 270569, 309439, 541138, 618878, 2931431, 5862862, 38108603, 76217206, 495411839, 990823678]

約数ペア:

[(1, 990823678), (2, 495411839), (13, 76217206), (26, 38108603), (169, 5862862), (338, 2931431), (1601, 618878), (1831, 541138), (3202, 309439), (3662, 270569), (20813, 47606), (23803, 41626)]