668528077

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 827228160

約数和(自身を除く): 158700083

約数列:

[1, 7, 17, 67, 119, 191, 439, 469, 1139, 1337, 3073, 3247, 7463, 7973, 12797, 22729, 29413, 52241, 83849, 89579, 205891, 217549, 500021, 586943, 1425433, 1522843, 3500147, 5617883, 9978031, 39325181, 95504011, 668528077]

約数ペア:

[(1, 668528077), (7, 95504011), (17, 39325181), (67, 9978031), (119, 5617883), (191, 3500147), (439, 1522843), (469, 1425433), (1139, 586943), (1337, 500021), (3073, 217549), (3247, 205891), (7463, 89579), (7973, 83849), (12797, 52241), (22729, 29413)]