161760016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{1237}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 342638784

約数和(自身を除く): 180878768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 743, 1237, 1486, 2474, 2972, 4948, 5944, 8173, 9896, 11888, 13607, 16346, 19792, 27214, 32692, 54428, 65384, 108856, 130768, 217712, 919091, 1838182, 3676364, 7352728, 10110001, 14705456, 20220002, 40440004, 80880008, 161760016]

約数ペア:

[(1, 161760016), (2, 80880008), (4, 40440004), (8, 20220002), (11, 14705456), (16, 10110001), (22, 7352728), (44, 3676364), (88, 1838182), (176, 919091), (743, 217712), (1237, 130768), (1486, 108856), (2474, 65384), (2972, 54428), (4948, 32692), (5944, 27214), (8173, 19792), (9896, 16346), (11888, 13607)]