664280641

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 788356800

約数和(自身を除く): 124076159

約数列:

[1, 19, 23, 29, 43, 53, 437, 529, 551, 667, 817, 989, 1007, 1219, 1247, 1537, 2279, 10051, 12673, 15341, 18791, 22747, 23161, 23693, 28037, 28681, 29203, 35351, 43301, 52417, 66091, 291479, 432193, 532703, 544939, 659663, 671669, 813073, 995923, 1205591, 1255729, 1520093, 12533597, 15448387, 22906229, 28881767, 34962139, 664280641]

約数ペア:

[(1, 664280641), (19, 34962139), (23, 28881767), (29, 22906229), (43, 15448387), (53, 12533597), (437, 1520093), (529, 1255729), (551, 1205591), (667, 995923), (817, 813073), (989, 671669), (1007, 659663), (1219, 544939), (1247, 532703), (1537, 432193), (2279, 291479), (10051, 66091), (12673, 52417), (15341, 43301), (18791, 35351), (22747, 29203), (23161, 28681), (23693, 28037)]