128460436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 251441344

約数和(自身を除く): 122980908

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 172, 292, 559, 787, 949, 1118, 1574, 1898, 2236, 3139, 3148, 3796, 6278, 10231, 12556, 20462, 33841, 40807, 40924, 57451, 67682, 81614, 114902, 135364, 163228, 229804, 439933, 746863, 879866, 1493726, 1759732, 2470393, 2987452, 4940786, 9881572, 32115109, 64230218, 128460436]

約数ペア:

[(1, 128460436), (2, 64230218), (4, 32115109), (13, 9881572), (26, 4940786), (43, 2987452), (52, 2470393), (73, 1759732), (86, 1493726), (146, 879866), (172, 746863), (292, 439933), (559, 229804), (787, 163228), (949, 135364), (1118, 114902), (1574, 81614), (1898, 67682), (2236, 57451), (3139, 40924), (3148, 40807), (3796, 33841), (6278, 20462), (10231, 12556)]