215771809

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{44887}}^1$

素因数の和:44940

約数の個数: 16

約数和(自身を含む): 258554880

約数和(自身を除く): 42783071

約数列:

[1, 11, 19, 23, 209, 253, 437, 4807, 44887, 493757, 852853, 1032401, 9381383, 11356411, 19615619, 215771809]

約数ペア:

[(1, 215771809), (11, 19615619), (19, 11356411), (23, 9381383), (209, 1032401), (253, 852853), (437, 493757), (4807, 44887)]