1985187904

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{72643}}^1$

素因数の和:72723

約数の個数: 56

約数和(自身を含む): 4575990848

約数和(自身を除く): 2590802944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 854, 976, 1708, 1952, 3416, 3904, 6832, 13664, 27328, 72643, 145286, 290572, 508501, 581144, 1017002, 1162288, 2034004, 2324576, 4068008, 4431223, 4649152, 8136016, 8862446, 16272032, 17724892, 31018561, 32544064, 35449784, 62037122, 70899568, 124074244, 141799136, 248148488, 283598272, 496296976, 992593952, 1985187904]

約数ペア:

[(1, 1985187904), (2, 992593952), (4, 496296976), (7, 283598272), (8, 248148488), (14, 141799136), (16, 124074244), (28, 70899568), (32, 62037122), (56, 35449784), (61, 32544064), (64, 31018561), (112, 17724892), (122, 16272032), (224, 8862446), (244, 8136016), (427, 4649152), (448, 4431223), (488, 4068008), (854, 2324576), (976, 2034004), (1708, 1162288), (1952, 1017002), (3416, 581144), (3904, 508501), (6832, 290572), (13664, 145286), (27328, 72643)]