129765916

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 274926960

約数和(自身を除く): 145161044

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 89, 98, 172, 173, 178, 196, 301, 346, 356, 602, 623, 692, 1204, 1211, 1246, 2107, 2422, 2492, 3827, 4214, 4361, 4844, 7439, 7654, 8428, 8477, 8722, 14878, 15308, 15397, 16954, 17444, 26789, 29756, 30794, 33908, 52073, 53578, 61588, 104146, 107156, 107779, 187523, 208292, 215558, 364511, 375046, 431116, 662071, 729022, 750092, 754453, 1324142, 1458044, 1508906, 2648284, 3017812, 4634497, 9268994, 18537988, 32441479, 64882958, 129765916]

約数ペア:

[(1, 129765916), (2, 64882958), (4, 32441479), (7, 18537988), (14, 9268994), (28, 4634497), (43, 3017812), (49, 2648284), (86, 1508906), (89, 1458044), (98, 1324142), (172, 754453), (173, 750092), (178, 729022), (196, 662071), (301, 431116), (346, 375046), (356, 364511), (602, 215558), (623, 208292), (692, 187523), (1204, 107779), (1211, 107156), (1246, 104146), (2107, 61588), (2422, 53578), (2492, 52073), (3827, 33908), (4214, 30794), (4361, 29756), (4844, 26789), (7439, 17444), (7654, 16954), (8428, 15397), (8477, 15308), (8722, 14878)]