81143426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2113}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 150584448

約数和(自身を除く): 69441022

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 211, 422, 1477, 2113, 2743, 2954, 4226, 5486, 14791, 19201, 27469, 29582, 38402, 54938, 192283, 384566, 445843, 891686, 3120901, 5795959, 6241802, 11591918, 40571713, 81143426]

約数ペア:

[(1, 81143426), (2, 40571713), (7, 11591918), (13, 6241802), (14, 5795959), (26, 3120901), (91, 891686), (182, 445843), (211, 384566), (422, 192283), (1477, 54938), (2113, 38402), (2743, 29582), (2954, 27469), (4226, 19201), (5486, 14791)]