201977771

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 217322400

約数和(自身を除く): 15344629

約数列:

[1, 19, 61, 229, 761, 1159, 4351, 13969, 14459, 46421, 174269, 265411, 881999, 3311111, 10630409, 201977771]

約数ペア:

[(1, 201977771), (19, 10630409), (61, 3311111), (229, 881999), (761, 265411), (1159, 174269), (4351, 46421), (13969, 14459)]