128430764

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 289578240

約数和(自身を除く): 161147476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 497, 539, 781, 839, 994, 1078, 1562, 1678, 1988, 2156, 3124, 3356, 3479, 5467, 5873, 6958, 9229, 10934, 11746, 13916, 18458, 21868, 23492, 36916, 38269, 41111, 59569, 64603, 76538, 82222, 119138, 129206, 153076, 164444, 238276, 258412, 416983, 452221, 655259, 833966, 904442, 1310518, 1667932, 1808884, 2621036, 2918881, 4586813, 5837762, 9173626, 11675524, 18347252, 32107691, 64215382, 128430764]

約数ペア:

[(1, 128430764), (2, 64215382), (4, 32107691), (7, 18347252), (11, 11675524), (14, 9173626), (22, 5837762), (28, 4586813), (44, 2918881), (49, 2621036), (71, 1808884), (77, 1667932), (98, 1310518), (142, 904442), (154, 833966), (196, 655259), (284, 452221), (308, 416983), (497, 258412), (539, 238276), (781, 164444), (839, 153076), (994, 129206), (1078, 119138), (1562, 82222), (1678, 76538), (1988, 64603), (2156, 59569), (3124, 41111), (3356, 38269), (3479, 36916), (5467, 23492), (5873, 21868), (6958, 18458), (9229, 13916), (10934, 11746)]