257435646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{4337}}^1$

素因数の和:5116

約数の個数: 32

約数和(自身を含む): 555333408

約数和(自身を除く): 297897762

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 761, 1522, 2283, 4337, 4566, 8674, 9893, 13011, 19786, 26022, 29679, 56381, 59358, 112762, 169143, 338286, 3300457, 6600914, 9901371, 19802742, 42905941, 85811882, 128717823, 257435646]

約数ペア:

[(1, 257435646), (2, 128717823), (3, 85811882), (6, 42905941), (13, 19802742), (26, 9901371), (39, 6600914), (78, 3300457), (761, 338286), (1522, 169143), (2283, 112762), (4337, 59358), (4566, 56381), (8674, 29679), (9893, 26022), (13011, 19786)]