201990512956

素因数分解:

$2^2\times {\mathrm{277}}^1\times {\mathrm{823}}^1\times {\mathrm{221509}}^1$

素因数の和:222613

約数の個数: 24

約数和(自身を含む): 355192171040

約数和(自身を除く): 153201658084

約数列:

[1, 2, 4, 277, 554, 823, 1108, 1646, 3292, 221509, 227971, 443018, 455942, 886036, 911884, 61357993, 122715986, 182301907, 245431972, 364603814, 729207628, 50497628239, 100995256478, 201990512956]

約数ペア:

[(1, 201990512956), (2, 100995256478), (4, 50497628239), (277, 729207628), (554, 364603814), (823, 245431972), (1108, 182301907), (1646, 122715986), (3292, 61357993), (221509, 911884), (227971, 886036), (443018, 455942)]