72181284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{389}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 197171520

約数和(自身を除く): 124990236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 389, 564, 658, 778, 987, 1167, 1316, 1556, 1974, 2209, 2334, 2723, 3948, 4418, 4668, 5446, 6627, 8169, 8836, 10892, 13254, 15463, 16338, 18283, 26508, 30926, 32676, 36566, 46389, 54849, 61852, 73132, 92778, 109698, 127981, 185556, 219396, 255962, 383943, 511924, 767886, 859301, 1535772, 1718602, 2577903, 3437204, 5155806, 6015107, 10311612, 12030214, 18045321, 24060428, 36090642, 72181284]

約数ペア:

[(1, 72181284), (2, 36090642), (3, 24060428), (4, 18045321), (6, 12030214), (7, 10311612), (12, 6015107), (14, 5155806), (21, 3437204), (28, 2577903), (42, 1718602), (47, 1535772), (84, 859301), (94, 767886), (141, 511924), (188, 383943), (282, 255962), (329, 219396), (389, 185556), (564, 127981), (658, 109698), (778, 92778), (987, 73132), (1167, 61852), (1316, 54849), (1556, 46389), (1974, 36566), (2209, 32676), (2334, 30926), (2723, 26508), (3948, 18283), (4418, 16338), (4668, 15463), (5446, 13254), (6627, 10892), (8169, 8836)]