81727548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 225705984

約数和(自身を除く): 143978436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 127, 141, 163, 188, 254, 282, 326, 329, 381, 489, 508, 564, 652, 658, 762, 889, 978, 987, 1141, 1316, 1524, 1778, 1956, 1974, 2282, 2667, 3423, 3556, 3948, 4564, 5334, 5969, 6846, 7661, 10668, 11938, 13692, 15322, 17907, 20701, 22983, 23876, 30644, 35814, 41402, 41783, 45966, 53627, 62103, 71628, 82804, 83566, 91932, 107254, 124206, 125349, 144907, 160881, 167132, 214508, 248412, 250698, 289814, 321762, 434721, 501396, 579628, 643524, 869442, 972947, 1738884, 1945894, 2918841, 3891788, 5837682, 6810629, 11675364, 13621258, 20431887, 27242516, 40863774, 81727548]

約数ペア:

[(1, 81727548), (2, 40863774), (3, 27242516), (4, 20431887), (6, 13621258), (7, 11675364), (12, 6810629), (14, 5837682), (21, 3891788), (28, 2918841), (42, 1945894), (47, 1738884), (84, 972947), (94, 869442), (127, 643524), (141, 579628), (163, 501396), (188, 434721), (254, 321762), (282, 289814), (326, 250698), (329, 248412), (381, 214508), (489, 167132), (508, 160881), (564, 144907), (652, 125349), (658, 124206), (762, 107254), (889, 91932), (978, 83566), (987, 82804), (1141, 71628), (1316, 62103), (1524, 53627), (1778, 45966), (1956, 41783), (1974, 41402), (2282, 35814), (2667, 30644), (3423, 23876), (3556, 22983), (3948, 20701), (4564, 17907), (5334, 15322), (5969, 13692), (6846, 11938), (7661, 10668)]