12989207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9923}}^1$

素因数の和:9958

約数の個数: 16

約数和(自身を含む): 17148672

約数和(自身を除く): 4159465

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 9923, 69461, 109153, 168691, 764071, 1180837, 1855601, 12989207]

約数ペア:

[(1, 12989207), (7, 1855601), (11, 1180837), (17, 764071), (77, 168691), (119, 109153), (187, 69461), (1309, 9923)]