257443092

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2971}}^1$

素因数の和:3093

約数の個数: 72

約数和(自身を含む): 681539040

約数和(自身を除く): 424095948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 83, 87, 116, 166, 174, 249, 261, 332, 348, 498, 522, 747, 996, 1044, 1494, 2407, 2971, 2988, 4814, 5942, 7221, 8913, 9628, 11884, 14442, 17826, 21663, 26739, 28884, 35652, 43326, 53478, 86159, 86652, 106956, 172318, 246593, 258477, 344636, 493186, 516954, 739779, 775431, 986372, 1033908, 1479558, 1550862, 2219337, 2959116, 3101724, 4438674, 7151197, 8877348, 14302394, 21453591, 28604788, 42907182, 64360773, 85814364, 128721546, 257443092]

約数ペア:

[(1, 257443092), (2, 128721546), (3, 85814364), (4, 64360773), (6, 42907182), (9, 28604788), (12, 21453591), (18, 14302394), (29, 8877348), (36, 7151197), (58, 4438674), (83, 3101724), (87, 2959116), (116, 2219337), (166, 1550862), (174, 1479558), (249, 1033908), (261, 986372), (332, 775431), (348, 739779), (498, 516954), (522, 493186), (747, 344636), (996, 258477), (1044, 246593), (1494, 172318), (2407, 106956), (2971, 86652), (2988, 86159), (4814, 53478), (5942, 43326), (7221, 35652), (8913, 28884), (9628, 26739), (11884, 21663), (14442, 17826)]