51315348

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 140307552

約数和(自身を除く): 88992204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 197, 294, 394, 443, 588, 591, 788, 886, 1182, 1329, 1379, 1772, 2364, 2658, 2758, 3101, 4137, 5316, 5516, 6202, 8274, 9303, 9653, 12404, 16548, 18606, 19306, 21707, 28959, 37212, 38612, 43414, 57918, 65121, 86828, 87271, 115836, 130242, 174542, 260484, 261813, 349084, 523626, 610897, 1047252, 1221794, 1832691, 2443588, 3665382, 4276279, 7330764, 8552558, 12828837, 17105116, 25657674, 51315348]

約数ペア:

[(1, 51315348), (2, 25657674), (3, 17105116), (4, 12828837), (6, 8552558), (7, 7330764), (12, 4276279), (14, 3665382), (21, 2443588), (28, 1832691), (42, 1221794), (49, 1047252), (84, 610897), (98, 523626), (147, 349084), (196, 261813), (197, 260484), (294, 174542), (394, 130242), (443, 115836), (588, 87271), (591, 86828), (788, 65121), (886, 57918), (1182, 43414), (1329, 38612), (1379, 37212), (1772, 28959), (2364, 21707), (2658, 19306), (2758, 18606), (3101, 16548), (4137, 12404), (5316, 9653), (5516, 9303), (6202, 8274)]