257599804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 571410560

約数和(自身を除く): 313810756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 139, 154, 242, 278, 308, 484, 547, 556, 847, 973, 1094, 1529, 1694, 1946, 2188, 3058, 3388, 3829, 3892, 6017, 6116, 7658, 10703, 12034, 15316, 16819, 21406, 24068, 33638, 42119, 42812, 66187, 67276, 76033, 84238, 117733, 132374, 152066, 168476, 235466, 264748, 304132, 463309, 470932, 532231, 836363, 926618, 1064462, 1672726, 1853236, 2128924, 3345452, 5854541, 9199993, 11709082, 18399986, 23418164, 36799972, 64399951, 128799902, 257599804]

約数ペア:

[(1, 257599804), (2, 128799902), (4, 64399951), (7, 36799972), (11, 23418164), (14, 18399986), (22, 11709082), (28, 9199993), (44, 5854541), (77, 3345452), (121, 2128924), (139, 1853236), (154, 1672726), (242, 1064462), (278, 926618), (308, 836363), (484, 532231), (547, 470932), (556, 463309), (847, 304132), (973, 264748), (1094, 235466), (1529, 168476), (1694, 152066), (1946, 132374), (2188, 117733), (3058, 84238), (3388, 76033), (3829, 67276), (3892, 66187), (6017, 42812), (6116, 42119), (7658, 33638), (10703, 24068), (12034, 21406), (15316, 16819)]