28178749

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 2666051

約数列:

[1, 23, 29, 83, 509, 667, 1909, 2407, 11707, 14761, 42247, 55361, 339503, 971681, 1225163, 28178749]

約数ペア:

[(1, 28178749), (23, 1225163), (29, 971681), (83, 339503), (509, 55361), (667, 42247), (1909, 14761), (2407, 11707)]