855231839

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 1142553600

約数和(自身を除く): 287321761

約数列:

[1, 7, 11, 23, 49, 77, 149, 161, 253, 463, 539, 1043, 1127, 1639, 1771, 3241, 3427, 5093, 7301, 10649, 11473, 12397, 22687, 23989, 35651, 37697, 68987, 74543, 80311, 117139, 167923, 249557, 263879, 482909, 521801, 758857, 819973, 1586701, 1847153, 3380363, 5311999, 5739811, 11106907, 17453711, 37183993, 77748349, 122175977, 855231839]

約数ペア:

[(1, 855231839), (7, 122175977), (11, 77748349), (23, 37183993), (49, 17453711), (77, 11106907), (149, 5739811), (161, 5311999), (253, 3380363), (463, 1847153), (539, 1586701), (1043, 819973), (1127, 758857), (1639, 521801), (1771, 482909), (3241, 263879), (3427, 249557), (5093, 167923), (7301, 117139), (10649, 80311), (11473, 74543), (12397, 68987), (22687, 37697), (23989, 35651)]