216979834

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{10993}}^1$

素因数の和:11205

約数の個数: 16

約数和(自身を含む): 332458560

約数和(自身を除く): 115478726

約数列:

[1, 2, 71, 139, 142, 278, 9869, 10993, 19738, 21986, 780503, 1528027, 1561006, 3056054, 108489917, 216979834]

約数ペア:

[(1, 216979834), (2, 108489917), (71, 3056054), (139, 1561006), (142, 1528027), (278, 780503), (9869, 21986), (10993, 19738)]