220140479

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 262315200

約数和(自身を除く): 42174721

約数列:

[1, 13, 19, 29, 73, 247, 377, 421, 551, 949, 1387, 2117, 5473, 7163, 7999, 12209, 18031, 27521, 30733, 40223, 103987, 158717, 231971, 399529, 522899, 583927, 891257, 3015623, 7591051, 11586341, 16933883, 220140479]

約数ペア:

[(1, 220140479), (13, 16933883), (19, 11586341), (29, 7591051), (73, 3015623), (247, 891257), (377, 583927), (421, 522899), (551, 399529), (949, 231971), (1387, 158717), (2117, 103987), (5473, 40223), (7163, 30733), (7999, 27521), (12209, 18031)]