128518988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1\times {\mathrm{2011}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 242526480

約数和(自身を除く): 114007492

約数列:

[1, 2, 4, 13, 26, 52, 1229, 2011, 2458, 4022, 4916, 8044, 15977, 26143, 31954, 52286, 63908, 104572, 2471519, 4943038, 9886076, 32129747, 64259494, 128518988]

約数ペア:

[(1, 128518988), (2, 64259494), (4, 32129747), (13, 9886076), (26, 4943038), (52, 2471519), (1229, 104572), (2011, 63908), (2458, 52286), (4022, 31954), (4916, 26143), (8044, 15977)]