205656678

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{81031}}^1$

素因数の和:81089

約数の個数: 32

約数和(自身を含む): 466744320

約数和(自身を除く): 261087642

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 81031, 162062, 243093, 486186, 729279, 1458558, 2187837, 3808457, 4375674, 7616914, 11425371, 22850742, 34276113, 68552226, 102828339, 205656678]

約数ペア:

[(1, 205656678), (2, 102828339), (3, 68552226), (6, 34276113), (9, 22850742), (18, 11425371), (27, 7616914), (47, 4375674), (54, 3808457), (94, 2187837), (141, 1458558), (282, 729279), (423, 486186), (846, 243093), (1269, 162062), (2538, 81031)]