257064132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1647847}}^1$

素因数の和:1647867

約数の個数: 24

約数和(自身を含む): 645956416

約数和(自身を除く): 388892284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1647847, 3295694, 4943541, 6591388, 9887082, 19774164, 21422011, 42844022, 64266033, 85688044, 128532066, 257064132]

約数ペア:

[(1, 257064132), (2, 128532066), (3, 85688044), (4, 64266033), (6, 42844022), (12, 21422011), (13, 19774164), (26, 9887082), (39, 6591388), (52, 4943541), (78, 3295694), (156, 1647847)]