1990352858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1\times {\mathrm{743}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 3242042496

約数和(自身を除く): 1251689638

約数列:

[1, 2, 13, 26, 197, 394, 523, 743, 1046, 1486, 2561, 5122, 6799, 9659, 13598, 19318, 103031, 146371, 206062, 292742, 388589, 777178, 1339403, 1902823, 2678806, 3805646, 5051657, 10103314, 76552033, 153104066, 995176429, 1990352858]

約数ペア:

[(1, 1990352858), (2, 995176429), (13, 153104066), (26, 76552033), (197, 10103314), (394, 5051657), (523, 3805646), (743, 2678806), (1046, 1902823), (1486, 1339403), (2561, 777178), (5122, 388589), (6799, 292742), (9659, 206062), (13598, 146371), (19318, 103031)]