257760104

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 564537600

約数和(自身を除く): 306777496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 241, 269, 284, 482, 497, 538, 568, 964, 994, 1076, 1687, 1883, 1928, 1988, 2152, 3374, 3766, 3976, 6748, 7532, 13496, 15064, 17111, 19099, 34222, 38198, 64829, 68444, 76396, 119777, 129658, 133693, 136888, 152792, 239554, 259316, 267386, 453803, 479108, 518632, 534772, 907606, 958216, 1069544, 1815212, 3630424, 4602859, 9205718, 18411436, 32220013, 36822872, 64440026, 128880052, 257760104]

約数ペア:

[(1, 257760104), (2, 128880052), (4, 64440026), (7, 36822872), (8, 32220013), (14, 18411436), (28, 9205718), (56, 4602859), (71, 3630424), (142, 1815212), (241, 1069544), (269, 958216), (284, 907606), (482, 534772), (497, 518632), (538, 479108), (568, 453803), (964, 267386), (994, 259316), (1076, 239554), (1687, 152792), (1883, 136888), (1928, 133693), (1988, 129658), (2152, 119777), (3374, 76396), (3766, 68444), (3976, 64829), (6748, 38198), (7532, 34222), (13496, 19099), (15064, 17111)]