256331392

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{22501}}^1$

素因数の和:22604

約数の個数: 32

約数和(自身を含む): 516420900

約数和(自身を除く): 260089508

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 2848, 5696, 11392, 22501, 45002, 90004, 180008, 360016, 720032, 1440064, 2002589, 2880128, 4005178, 8010356, 16020712, 32041424, 64082848, 128165696, 256331392]

約数ペア:

[(1, 256331392), (2, 128165696), (4, 64082848), (8, 32041424), (16, 16020712), (32, 8010356), (64, 4005178), (89, 2880128), (128, 2002589), (178, 1440064), (356, 720032), (712, 360016), (1424, 180008), (2848, 90004), (5696, 45002), (11392, 22501)]