778801982

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 1495169280

約数和(自身を除く): 716367298

約数列:

[1, 2, 7, 14, 19, 38, 43, 49, 71, 86, 98, 133, 137, 142, 266, 274, 301, 497, 602, 817, 931, 959, 994, 1349, 1634, 1862, 1918, 2107, 2603, 2698, 3053, 3479, 4214, 5206, 5719, 5891, 6106, 6713, 6958, 9443, 9727, 11438, 11782, 13426, 18221, 18886, 19454, 21371, 36442, 40033, 41237, 42742, 58007, 66101, 68089, 80066, 82474, 111929, 116014, 127547, 132202, 136178, 149597, 184813, 223858, 255094, 288659, 299194, 369626, 406049, 418261, 476623, 577318, 783503, 812098, 836522, 953246, 1293691, 1567006, 2587382, 2842343, 2927827, 5484521, 5684686, 5855654, 7946959, 9055837, 10969042, 15893918, 18111674, 20494789, 40989578, 55628713, 111257426, 389400991, 778801982]

約数ペア:

[(1, 778801982), (2, 389400991), (7, 111257426), (14, 55628713), (19, 40989578), (38, 20494789), (43, 18111674), (49, 15893918), (71, 10969042), (86, 9055837), (98, 7946959), (133, 5855654), (137, 5684686), (142, 5484521), (266, 2927827), (274, 2842343), (301, 2587382), (497, 1567006), (602, 1293691), (817, 953246), (931, 836522), (959, 812098), (994, 783503), (1349, 577318), (1634, 476623), (1862, 418261), (1918, 406049), (2107, 369626), (2603, 299194), (2698, 288659), (3053, 255094), (3479, 223858), (4214, 184813), (5206, 149597), (5719, 136178), (5891, 132202), (6106, 127547), (6713, 116014), (6958, 111929), (9443, 82474), (9727, 80066), (11438, 68089), (11782, 66101), (13426, 58007), (18221, 42742), (18886, 41237), (19454, 40033), (21371, 36442)]