128127956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{22229}}^1$

素因数の和:22375

約数の個数: 24

約数和(自身を含む): 246486240

約数和(自身を除く): 118358284

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 22229, 44458, 88916, 244519, 489038, 978076, 2911999, 5823998, 11647996, 32031989, 64063978, 128127956]

約数ペア:

[(1, 128127956), (2, 64063978), (4, 32031989), (11, 11647996), (22, 5823998), (44, 2911999), (131, 978076), (262, 489038), (524, 244519), (1441, 88916), (2882, 44458), (5764, 22229)]