666609528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 1905120000

約数和(自身を除く): 1238510472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 139, 152, 156, 228, 247, 278, 312, 417, 456, 494, 556, 741, 809, 834, 988, 1112, 1482, 1618, 1668, 1807, 1976, 2427, 2641, 2964, 3236, 3336, 3614, 4854, 5282, 5421, 5928, 6472, 7228, 7923, 9708, 10517, 10564, 10842, 14456, 15371, 15846, 19416, 21034, 21128, 21684, 30742, 31551, 31692, 34333, 42068, 43368, 46113, 61484, 63102, 63384, 68666, 84136, 92226, 102999, 112451, 122968, 126204, 137332, 184452, 199823, 205998, 224902, 252408, 274664, 337353, 368904, 399646, 411996, 449804, 599469, 674706, 799292, 823992, 899608, 1198938, 1349412, 1461863, 1598584, 2136569, 2397876, 2698824, 2923726, 4273138, 4385589, 4795752, 5847452, 6409707, 8546276, 8771178, 11694904, 12819414, 17092552, 17542356, 25638828, 27775397, 35084712, 51277656, 55550794, 83326191, 111101588, 166652382, 222203176, 333304764, 666609528]

約数ペア:

[(1, 666609528), (2, 333304764), (3, 222203176), (4, 166652382), (6, 111101588), (8, 83326191), (12, 55550794), (13, 51277656), (19, 35084712), (24, 27775397), (26, 25638828), (38, 17542356), (39, 17092552), (52, 12819414), (57, 11694904), (76, 8771178), (78, 8546276), (104, 6409707), (114, 5847452), (139, 4795752), (152, 4385589), (156, 4273138), (228, 2923726), (247, 2698824), (278, 2397876), (312, 2136569), (417, 1598584), (456, 1461863), (494, 1349412), (556, 1198938), (741, 899608), (809, 823992), (834, 799292), (988, 674706), (1112, 599469), (1482, 449804), (1618, 411996), (1668, 399646), (1807, 368904), (1976, 337353), (2427, 274664), (2641, 252408), (2964, 224902), (3236, 205998), (3336, 199823), (3614, 184452), (4854, 137332), (5282, 126204), (5421, 122968), (5928, 112451), (6472, 102999), (7228, 92226), (7923, 84136), (9708, 68666), (10517, 63384), (10564, 63102), (10842, 61484), (14456, 46113), (15371, 43368), (15846, 42068), (19416, 34333), (21034, 31692), (21128, 31551), (21684, 30742)]