257156744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107507}}^1$

素因数の和:107549

約数の個数: 32

約数和(自身を含む): 541840320

約数和(自身を除く): 284683576

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 107507, 215014, 430028, 860056, 1397591, 2472661, 2795182, 4945322, 5590364, 9890644, 11180728, 19781288, 32144593, 64289186, 128578372, 257156744]

約数ペア:

[(1, 257156744), (2, 128578372), (4, 64289186), (8, 32144593), (13, 19781288), (23, 11180728), (26, 9890644), (46, 5590364), (52, 4945322), (92, 2795182), (104, 2472661), (184, 1397591), (299, 860056), (598, 430028), (1196, 215014), (2392, 107507)]