1261509287

素因数分解:

${\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 1290667872

約数和(自身を除く): 29158585

約数列:

[1, 113, 157, 211, 337, 17741, 23843, 33127, 38081, 52909, 71107, 3743351, 5978717, 8035091, 11163799, 1261509287]

約数ペア:

[(1, 1261509287), (113, 11163799), (157, 8035091), (211, 5978717), (337, 3743351), (17741, 71107), (23843, 52909), (33127, 38081)]