280904982

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{20543}}^1$

素因数の和:20644

約数の個数: 32

約数和(自身を含む): 585750528

約数和(自身を除く): 304845546

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 2279, 4558, 6837, 13674, 20543, 41086, 61629, 123258, 883349, 1088779, 1766698, 2177558, 2650047, 3266337, 5300094, 6532674, 46817497, 93634994, 140452491, 280904982]

約数ペア:

[(1, 280904982), (2, 140452491), (3, 93634994), (6, 46817497), (43, 6532674), (53, 5300094), (86, 3266337), (106, 2650047), (129, 2177558), (159, 1766698), (258, 1088779), (318, 883349), (2279, 123258), (4558, 61629), (6837, 41086), (13674, 20543)]