1640696624

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{395921}}^1$

素因数の和:395973

約数の個数: 40

約数和(自身を含む): 3731168928

約数和(自身を除く): 2090472304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 395921, 791842, 1583684, 2771447, 3167368, 5542894, 6334736, 11085788, 14649077, 22171576, 29298154, 44343152, 58596308, 102543539, 117192616, 205087078, 234385232, 410174156, 820348312, 1640696624]

約数ペア:

[(1, 1640696624), (2, 820348312), (4, 410174156), (7, 234385232), (8, 205087078), (14, 117192616), (16, 102543539), (28, 58596308), (37, 44343152), (56, 29298154), (74, 22171576), (112, 14649077), (148, 11085788), (259, 6334736), (296, 5542894), (518, 3167368), (592, 2771447), (1036, 1583684), (2072, 791842), (4144, 395921)]