261400212

素因数分解:

$2^2\times 3^2\times {\mathrm{269}}^1\times {\mathrm{26993}}^1$

素因数の和:27272

約数の個数: 36

約数和(自身を含む): 663242580

約数和(自身を除く): 401842368

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 269, 538, 807, 1076, 1614, 2421, 3228, 4842, 9684, 26993, 53986, 80979, 107972, 161958, 242937, 323916, 485874, 971748, 7261117, 14522234, 21783351, 29044468, 43566702, 65350053, 87133404, 130700106, 261400212]

約数ペア:

[(1, 261400212), (2, 130700106), (3, 87133404), (4, 65350053), (6, 43566702), (9, 29044468), (12, 21783351), (18, 14522234), (36, 7261117), (269, 971748), (538, 485874), (807, 323916), (1076, 242937), (1614, 161958), (2421, 107972), (3228, 80979), (4842, 53986), (9684, 26993)]