221587408

素因数分解:

$2^4\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2593}}^1$

素因数の和:2724

約数の個数: 60

約数和(自身を含む): 504195780

約数和(自身を除く): 282608372

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 109, 112, 196, 218, 392, 436, 763, 784, 872, 1526, 1744, 2593, 3052, 5186, 5341, 6104, 10372, 10682, 12208, 18151, 20744, 21364, 36302, 41488, 42728, 72604, 85456, 127057, 145208, 254114, 282637, 290416, 508228, 565274, 1016456, 1130548, 1978459, 2032912, 2261096, 3956918, 4522192, 7913836, 13849213, 15827672, 27698426, 31655344, 55396852, 110793704, 221587408]

約数ペア:

[(1, 221587408), (2, 110793704), (4, 55396852), (7, 31655344), (8, 27698426), (14, 15827672), (16, 13849213), (28, 7913836), (49, 4522192), (56, 3956918), (98, 2261096), (109, 2032912), (112, 1978459), (196, 1130548), (218, 1016456), (392, 565274), (436, 508228), (763, 290416), (784, 282637), (872, 254114), (1526, 145208), (1744, 127057), (2593, 85456), (3052, 72604), (5186, 42728), (5341, 41488), (6104, 36302), (10372, 21364), (10682, 20744), (12208, 18151)]