217966115

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{23053}}^1$

素因数の和:23150

約数の個数: 16

約数和(自身を含む): 274434816

約数和(自身を除く): 56468701

約数列:

[1, 5, 31, 61, 155, 305, 1891, 9455, 23053, 115265, 714643, 1406233, 3573215, 7031165, 43593223, 217966115]

約数ペア:

[(1, 217966115), (5, 43593223), (31, 7031165), (61, 3573215), (155, 1406233), (305, 714643), (1891, 115265), (9455, 23053)]