51920856

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 161867160

約数和(自身を除く): 109946304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 169, 204, 221, 234, 251, 306, 312, 338, 408, 442, 468, 502, 507, 612, 663, 676, 753, 884, 936, 1004, 1014, 1224, 1326, 1352, 1506, 1521, 1768, 1989, 2008, 2028, 2259, 2652, 2873, 3012, 3042, 3263, 3978, 4056, 4267, 4518, 5304, 5746, 6024, 6084, 6526, 7956, 8534, 8619, 9036, 9789, 11492, 12168, 12801, 13052, 15912, 17068, 17238, 18072, 19578, 22984, 25602, 25857, 26104, 29367, 34136, 34476, 38403, 39156, 42419, 51204, 51714, 55471, 58734, 68952, 76806, 78312, 84838, 102408, 103428, 110942, 117468, 127257, 153612, 166413, 169676, 206856, 221884, 234936, 254514, 307224, 332826, 339352, 381771, 443768, 499239, 509028, 665652, 721123, 763542, 998478, 1018056, 1331304, 1442246, 1527084, 1996956, 2163369, 2884492, 3054168, 3993912, 4326738, 5768984, 6490107, 8653476, 12980214, 17306952, 25960428, 51920856]

約数ペア:

[(1, 51920856), (2, 25960428), (3, 17306952), (4, 12980214), (6, 8653476), (8, 6490107), (9, 5768984), (12, 4326738), (13, 3993912), (17, 3054168), (18, 2884492), (24, 2163369), (26, 1996956), (34, 1527084), (36, 1442246), (39, 1331304), (51, 1018056), (52, 998478), (68, 763542), (72, 721123), (78, 665652), (102, 509028), (104, 499239), (117, 443768), (136, 381771), (153, 339352), (156, 332826), (169, 307224), (204, 254514), (221, 234936), (234, 221884), (251, 206856), (306, 169676), (312, 166413), (338, 153612), (408, 127257), (442, 117468), (468, 110942), (502, 103428), (507, 102408), (612, 84838), (663, 78312), (676, 76806), (753, 68952), (884, 58734), (936, 55471), (1004, 51714), (1014, 51204), (1224, 42419), (1326, 39156), (1352, 38403), (1506, 34476), (1521, 34136), (1768, 29367), (1989, 26104), (2008, 25857), (2028, 25602), (2259, 22984), (2652, 19578), (2873, 18072), (3012, 17238), (3042, 17068), (3263, 15912), (3978, 13052), (4056, 12801), (4267, 12168), (4518, 11492), (5304, 9789), (5746, 9036), (6024, 8619), (6084, 8534), (6526, 7956)]