2178156968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{675607}}^1$

素因数の和:675657

約数の個数: 32

約数和(自身を含む): 4540085760

約数和(自身を除く): 2361928792

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 675607, 1351214, 2702428, 5404856, 8782891, 17565782, 20943817, 35131564, 41887634, 70263128, 83775268, 167550536, 272269621, 544539242, 1089078484, 2178156968]

約数ペア:

[(1, 2178156968), (2, 1089078484), (4, 544539242), (8, 272269621), (13, 167550536), (26, 83775268), (31, 70263128), (52, 41887634), (62, 35131564), (104, 20943817), (124, 17565782), (248, 8782891), (403, 5404856), (806, 2702428), (1612, 1351214), (3224, 675607)]