215263004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{15731}}^1$

素因数の和:16057

約数の個数: 24

約数和(自身を含む): 412304256

約数和(自身を除く): 197041252

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 3421, 6842, 13684, 15731, 31462, 62924, 173041, 346082, 692164, 4892341, 9784682, 19569364, 53815751, 107631502, 215263004]

約数ペア:

[(1, 215263004), (2, 107631502), (4, 53815751), (11, 19569364), (22, 9784682), (44, 4892341), (311, 692164), (622, 346082), (1244, 173041), (3421, 62924), (6842, 31462), (13684, 15731)]