261513828

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 680988672

約数和(自身を除く): 419474844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 127, 141, 188, 254, 282, 381, 423, 508, 564, 762, 846, 1143, 1217, 1524, 1692, 2286, 2434, 3651, 4572, 4868, 5969, 7302, 10953, 11938, 14604, 17907, 21906, 23876, 35814, 43812, 53721, 57199, 71628, 107442, 114398, 154559, 171597, 214884, 228796, 309118, 343194, 463677, 514791, 618236, 686388, 927354, 1029582, 1391031, 1854708, 2059164, 2782062, 5564124, 7264273, 14528546, 21792819, 29057092, 43585638, 65378457, 87171276, 130756914, 261513828]

約数ペア:

[(1, 261513828), (2, 130756914), (3, 87171276), (4, 65378457), (6, 43585638), (9, 29057092), (12, 21792819), (18, 14528546), (36, 7264273), (47, 5564124), (94, 2782062), (127, 2059164), (141, 1854708), (188, 1391031), (254, 1029582), (282, 927354), (381, 686388), (423, 618236), (508, 514791), (564, 463677), (762, 343194), (846, 309118), (1143, 228796), (1217, 214884), (1524, 171597), (1692, 154559), (2286, 114398), (2434, 107442), (3651, 71628), (4572, 57199), (4868, 53721), (5969, 43812), (7302, 35814), (10953, 23876), (11938, 21906), (14604, 17907)]