1221330385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{376373}}^1$

素因数の和:376448

約数の個数: 16

約数和(自身を含む): 1625935680

約数和(自身を除く): 404605295

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 376373, 1881865, 4140103, 20700515, 22206007, 111030035, 244266077, 1221330385]

約数ペア:

[(1, 1221330385), (5, 244266077), (11, 111030035), (55, 22206007), (59, 20700515), (295, 4140103), (649, 1881865), (3245, 376373)]