208769008

素因数分解:

$2^4\times 7^3\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 80

約数和(自身を含む): 477400000

約数和(自身を除く): 268630992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 109, 112, 196, 218, 343, 349, 392, 436, 686, 698, 763, 784, 872, 1372, 1396, 1526, 1744, 2443, 2744, 2792, 3052, 4886, 5341, 5488, 5584, 6104, 9772, 10682, 12208, 17101, 19544, 21364, 34202, 37387, 38041, 39088, 42728, 68404, 74774, 76082, 85456, 119707, 136808, 149548, 152164, 239414, 266287, 273616, 299096, 304328, 478828, 532574, 598192, 608656, 957656, 1065148, 1864009, 1915312, 2130296, 3728018, 4260592, 7456036, 13048063, 14912072, 26096126, 29824144, 52192252, 104384504, 208769008]

約数ペア:

[(1, 208769008), (2, 104384504), (4, 52192252), (7, 29824144), (8, 26096126), (14, 14912072), (16, 13048063), (28, 7456036), (49, 4260592), (56, 3728018), (98, 2130296), (109, 1915312), (112, 1864009), (196, 1065148), (218, 957656), (343, 608656), (349, 598192), (392, 532574), (436, 478828), (686, 304328), (698, 299096), (763, 273616), (784, 266287), (872, 239414), (1372, 152164), (1396, 149548), (1526, 136808), (1744, 119707), (2443, 85456), (2744, 76082), (2792, 74774), (3052, 68404), (4886, 42728), (5341, 39088), (5488, 38041), (5584, 37387), (6104, 34202), (9772, 21364), (10682, 19544), (12208, 17101)]