129661328

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{16111}}^1$

素因数の和:16622

約数の個数: 20

約数和(自身を含む): 251733888

約数和(自身を除く): 122072560

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 16111, 32222, 64444, 128888, 257776, 8103833, 16207666, 32415332, 64830664, 129661328]

約数ペア:

[(1, 129661328), (2, 64830664), (4, 32415332), (8, 16207666), (16, 8103833), (503, 257776), (1006, 128888), (2012, 64444), (4024, 32222), (8048, 16111)]