72427910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 134053920

約数和(自身を除く): 61626010

約数列:

[1, 2, 5, 10, 43, 86, 215, 389, 430, 433, 778, 866, 1945, 2165, 3890, 4330, 16727, 18619, 33454, 37238, 83635, 93095, 167270, 168437, 186190, 336874, 842185, 1684370, 7242791, 14485582, 36213955, 72427910]

約数ペア:

[(1, 72427910), (2, 36213955), (5, 14485582), (10, 7242791), (43, 1684370), (86, 842185), (215, 336874), (389, 186190), (430, 168437), (433, 167270), (778, 93095), (866, 83635), (1945, 37238), (2165, 33454), (3890, 18619), (4330, 16727)]