28774512

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:855

約数の個数: 120

約数和(自身を含む): 91400400

約数和(自身を除く): 62625888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 624, 684, 741, 809, 912, 936, 988, 1368, 1482, 1618, 1872, 1976, 2223, 2427, 2736, 2964, 3236, 3952, 4446, 4854, 5928, 6472, 7281, 8892, 9708, 10517, 11856, 12944, 14562, 15371, 17784, 19416, 21034, 29124, 30742, 31551, 35568, 38832, 42068, 46113, 58248, 61484, 63102, 84136, 92226, 94653, 116496, 122968, 126204, 138339, 168272, 184452, 189306, 199823, 245936, 252408, 276678, 368904, 378612, 399646, 504816, 553356, 599469, 737808, 757224, 799292, 1106712, 1198938, 1514448, 1598584, 1798407, 2213424, 2397876, 3197168, 3596814, 4795752, 7193628, 9591504, 14387256, 28774512]

約数ペア:

[(1, 28774512), (2, 14387256), (3, 9591504), (4, 7193628), (6, 4795752), (8, 3596814), (9, 3197168), (12, 2397876), (13, 2213424), (16, 1798407), (18, 1598584), (19, 1514448), (24, 1198938), (26, 1106712), (36, 799292), (38, 757224), (39, 737808), (48, 599469), (52, 553356), (57, 504816), (72, 399646), (76, 378612), (78, 368904), (104, 276678), (114, 252408), (117, 245936), (144, 199823), (152, 189306), (156, 184452), (171, 168272), (208, 138339), (228, 126204), (234, 122968), (247, 116496), (304, 94653), (312, 92226), (342, 84136), (456, 63102), (468, 61484), (494, 58248), (624, 46113), (684, 42068), (741, 38832), (809, 35568), (912, 31551), (936, 30742), (988, 29124), (1368, 21034), (1482, 19416), (1618, 17784), (1872, 15371), (1976, 14562), (2223, 12944), (2427, 11856), (2736, 10517), (2964, 9708), (3236, 8892), (3952, 7281), (4446, 6472), (4854, 5928)]