217968688

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 506189824

約数和(自身を除く): 288221136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 67, 112, 124, 134, 217, 248, 268, 434, 469, 496, 536, 868, 937, 938, 1072, 1736, 1874, 1876, 2077, 3472, 3748, 3752, 4154, 6559, 7496, 7504, 8308, 13118, 14539, 14992, 16616, 26236, 29047, 29078, 33232, 52472, 58094, 58156, 62779, 104944, 116188, 116312, 125558, 203329, 232376, 232624, 251116, 406658, 439453, 464752, 502232, 813316, 878906, 1004464, 1626632, 1757812, 1946149, 3253264, 3515624, 3892298, 7031248, 7784596, 13623043, 15569192, 27246086, 31138384, 54492172, 108984344, 217968688]

約数ペア:

[(1, 217968688), (2, 108984344), (4, 54492172), (7, 31138384), (8, 27246086), (14, 15569192), (16, 13623043), (28, 7784596), (31, 7031248), (56, 3892298), (62, 3515624), (67, 3253264), (112, 1946149), (124, 1757812), (134, 1626632), (217, 1004464), (248, 878906), (268, 813316), (434, 502232), (469, 464752), (496, 439453), (536, 406658), (868, 251116), (937, 232624), (938, 232376), (1072, 203329), (1736, 125558), (1874, 116312), (1876, 116188), (2077, 104944), (3472, 62779), (3748, 58156), (3752, 58094), (4154, 52472), (6559, 33232), (7496, 29078), (7504, 29047), (8308, 26236), (13118, 16616), (14539, 14992)]