66405874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 107688960

約数和(自身を除く): 41283086

約数列:

[1, 2, 19, 38, 71, 142, 151, 163, 302, 326, 1349, 2698, 2869, 3097, 5738, 6194, 10721, 11573, 21442, 23146, 24613, 49226, 203699, 219887, 407398, 439774, 467647, 935294, 1747523, 3495046, 33202937, 66405874]

約数ペア:

[(1, 66405874), (2, 33202937), (19, 3495046), (38, 1747523), (71, 935294), (142, 467647), (151, 439774), (163, 407398), (302, 219887), (326, 203699), (1349, 49226), (2698, 24613), (2869, 23146), (3097, 21442), (5738, 11573), (6194, 10721)]