257996254

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{26647}}^1$

素因数の和:26799

約数の個数: 16

約数和(自身を含む): 399080448

約数和(自身を除く): 141084194

約数列:

[1, 2, 47, 94, 103, 206, 4841, 9682, 26647, 53294, 1252409, 2504818, 2744641, 5489282, 128998127, 257996254]

約数ペア:

[(1, 257996254), (2, 128998127), (47, 5489282), (94, 2744641), (103, 2504818), (206, 1252409), (4841, 53294), (9682, 26647)]