80970295

素因数分解:

$5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 117043200

約数和(自身を除く): 36072905

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 343, 1085, 1519, 1523, 1715, 7595, 7615, 10633, 10661, 47213, 53165, 53305, 74627, 236065, 330491, 373135, 522389, 1652455, 2313437, 2611945, 11567185, 16194059, 80970295]

約数ペア:

[(1, 80970295), (5, 16194059), (7, 11567185), (31, 2611945), (35, 2313437), (49, 1652455), (155, 522389), (217, 373135), (245, 330491), (343, 236065), (1085, 74627), (1519, 53305), (1523, 53165), (1715, 47213), (7595, 10661), (7615, 10633)]