204886864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1428

約数の個数: 80

約数和(自身を含む): 493440640

約数和(自身を除く): 288553776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 109, 112, 182, 208, 218, 364, 436, 728, 763, 872, 1291, 1417, 1456, 1526, 1744, 2582, 2834, 3052, 5164, 5668, 6104, 9037, 9919, 10328, 11336, 12208, 16783, 18074, 19838, 20656, 22672, 33566, 36148, 39676, 67132, 72296, 79352, 117481, 134264, 140719, 144592, 158704, 234962, 268528, 281438, 469924, 562876, 939848, 985033, 1125752, 1829347, 1879696, 1970066, 2251504, 3658694, 3940132, 7317388, 7880264, 12805429, 14634776, 15760528, 25610858, 29269552, 51221716, 102443432, 204886864]

約数ペア:

[(1, 204886864), (2, 102443432), (4, 51221716), (7, 29269552), (8, 25610858), (13, 15760528), (14, 14634776), (16, 12805429), (26, 7880264), (28, 7317388), (52, 3940132), (56, 3658694), (91, 2251504), (104, 1970066), (109, 1879696), (112, 1829347), (182, 1125752), (208, 985033), (218, 939848), (364, 562876), (436, 469924), (728, 281438), (763, 268528), (872, 234962), (1291, 158704), (1417, 144592), (1456, 140719), (1526, 134264), (1744, 117481), (2582, 79352), (2834, 72296), (3052, 67132), (5164, 39676), (5668, 36148), (6104, 33566), (9037, 22672), (9919, 20656), (10328, 19838), (11336, 18074), (12208, 16783)]