220931978

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1754

約数の個数: 24

約数和(自身を含む): 347470560

約数和(自身を除く): 126538582

約数列:

[1, 2, 31, 62, 71, 142, 961, 1619, 1922, 2201, 3238, 4402, 50189, 68231, 100378, 114949, 136462, 229898, 1555859, 3111718, 3563419, 7126838, 110465989, 220931978]

約数ペア:

[(1, 220931978), (2, 110465989), (31, 7126838), (62, 3563419), (71, 3111718), (142, 1555859), (961, 229898), (1619, 136462), (1922, 114949), (2201, 100378), (3238, 68231), (4402, 50189)]