256693144

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{24071}}^1$

素因数の和:24151

約数の個数: 32

約数和(自身を含む): 508400640

約数和(自身を除く): 251707496

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 2666, 5332, 10664, 24071, 48142, 96284, 192568, 746201, 1035053, 1492402, 2070106, 2984804, 4140212, 5969608, 8280424, 32086643, 64173286, 128346572, 256693144]

約数ペア:

[(1, 256693144), (2, 128346572), (4, 64173286), (8, 32086643), (31, 8280424), (43, 5969608), (62, 4140212), (86, 2984804), (124, 2070106), (172, 1492402), (248, 1035053), (344, 746201), (1333, 192568), (2666, 96284), (5332, 48142), (10664, 24071)]