2561713.00000000

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{1009}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 111225240

約数和(自身を除く): 48743924

約数列:

[1, 2, 4, 113, 137, 226, 274, 452, 548, 1009, 2018, 4036, 15481, 30962, 61924, 114017, 138233, 228034, 276466, 456068, 552932, 15620329, 31240658, 62481316]

約数ペア:

[(1, 62481316), (2, 31240658), (4, 15620329), (113, 552932), (137, 456068), (226, 276466), (274, 228034), (452, 138233), (548, 114017), (1009, 61924), (2018, 30962), (4036, 15481)]