243500276

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{168629}}^1$

素因数の和:168671

約数の個数: 18

約数和(自身を含む): 449736210

約数和(自身を除く): 206235934

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 168629, 337258, 674516, 3203951, 6407902, 12815804, 60875069, 121750138, 243500276]

約数ペア:

[(1, 243500276), (2, 121750138), (4, 60875069), (19, 12815804), (38, 6407902), (76, 3203951), (361, 674516), (722, 337258), (1444, 168629)]