16572941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 5324275

約数列:

[1, 7, 11, 31, 53, 77, 131, 217, 341, 371, 583, 917, 1441, 1643, 2387, 4061, 4081, 6943, 10087, 11501, 18073, 28427, 44671, 48601, 76373, 126511, 215233, 312697, 534611, 1506631, 2367563, 16572941]

約数ペア:

[(1, 16572941), (7, 2367563), (11, 1506631), (31, 534611), (53, 312697), (77, 215233), (131, 126511), (217, 76373), (341, 48601), (371, 44671), (583, 28427), (917, 18073), (1441, 11501), (1643, 10087), (2387, 6943), (4061, 4081)]