261691696

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{28151}}^1$

素因数の和:28249

約数の個数: 40

約数和(自身を含む): 586462464

約数和(自身を除く): 324770768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 28151, 56302, 112604, 197057, 225208, 394114, 450416, 788228, 1576456, 2336533, 3152912, 4673066, 9346132, 16355731, 18692264, 32711462, 37384528, 65422924, 130845848, 261691696]

約数ペア:

[(1, 261691696), (2, 130845848), (4, 65422924), (7, 37384528), (8, 32711462), (14, 18692264), (16, 16355731), (28, 9346132), (56, 4673066), (83, 3152912), (112, 2336533), (166, 1576456), (332, 788228), (581, 450416), (664, 394114), (1162, 225208), (1328, 197057), (2324, 112604), (4648, 56302), (9296, 28151)]