161993384

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67273}}^1$

素因数の和:67329

約数の個数: 32

約数和(自身を含む): 355206720

約数和(自身を除く): 193213336

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 67273, 134546, 269092, 470911, 538184, 941822, 1883644, 2892739, 3767288, 5785478, 11570956, 20249173, 23141912, 40498346, 80996692, 161993384]

約数ペア:

[(1, 161993384), (2, 80996692), (4, 40498346), (7, 23141912), (8, 20249173), (14, 11570956), (28, 5785478), (43, 3767288), (56, 2892739), (86, 1883644), (172, 941822), (301, 538184), (344, 470911), (602, 269092), (1204, 134546), (2408, 67273)]