489289964

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{4621}}^1$

素因数の和:4985

約数の個数: 24

約数和(自身を含む): 868122528

約数和(自身を除く): 378832564

約数列:

[1, 2, 4, 103, 206, 257, 412, 514, 1028, 4621, 9242, 18484, 26471, 52942, 105884, 475963, 951926, 1187597, 1903852, 2375194, 4750388, 122322491, 244644982, 489289964]

約数ペア:

[(1, 489289964), (2, 244644982), (4, 122322491), (103, 4750388), (206, 2375194), (257, 1903852), (412, 1187597), (514, 951926), (1028, 475963), (4621, 105884), (9242, 52942), (18484, 26471)]