1781489658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{289109}}^1$

素因数の和:289206

約数の個数: 32

約数和(自身を含む): 3885638400

約数和(自身を除く): 2104148742

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 6162, 289109, 578218, 867327, 1734654, 3758417, 7516834, 11275251, 22550502, 22839611, 45679222, 68518833, 137037666, 296914943, 593829886, 890744829, 1781489658]

約数ペア:

[(1, 1781489658), (2, 890744829), (3, 593829886), (6, 296914943), (13, 137037666), (26, 68518833), (39, 45679222), (78, 22839611), (79, 22550502), (158, 11275251), (237, 7516834), (474, 3758417), (1027, 1734654), (2054, 867327), (3081, 578218), (6162, 289109)]