81245068

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{353}}^2$

素因数の和:873

約数の個数: 18

約数和(自身を含む): 143457524

約数和(自身を除く): 62212456

約数列:

[1, 2, 4, 163, 326, 353, 652, 706, 1412, 57539, 115078, 124609, 230156, 249218, 498436, 20311267, 40622534, 81245068]

約数ペア:

[(1, 81245068), (2, 40622534), (4, 20311267), (163, 498436), (326, 249218), (353, 230156), (652, 124609), (706, 115078), (1412, 57539)]