402728249

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^2$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 555361920

約数和(自身を除く): 152633671

約数列:

[1, 7, 11, 17, 29, 77, 103, 119, 187, 203, 319, 493, 721, 1133, 1309, 1751, 2233, 2987, 3451, 5423, 7931, 10609, 12257, 19261, 20909, 32857, 37961, 50779, 74263, 116699, 134827, 180353, 229999, 307661, 355453, 558569, 816893, 1262471, 1983883, 2153627, 3384271, 3909983, 5230237, 13887181, 23689897, 36611659, 57532607, 402728249]

約数ペア:

[(1, 402728249), (7, 57532607), (11, 36611659), (17, 23689897), (29, 13887181), (77, 5230237), (103, 3909983), (119, 3384271), (187, 2153627), (203, 1983883), (319, 1262471), (493, 816893), (721, 558569), (1133, 355453), (1309, 307661), (1751, 229999), (2233, 180353), (2987, 134827), (3451, 116699), (5423, 74263), (7931, 50779), (10609, 37961), (12257, 32857), (19261, 20909)]