81513772

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 144372816

約数和(自身を除く): 62859044

約数列:

[1, 2, 4, 157, 293, 314, 443, 586, 628, 886, 1172, 1772, 46001, 69551, 92002, 129799, 139102, 184004, 259598, 278204, 519196, 20378443, 40756886, 81513772]

約数ペア:

[(1, 81513772), (2, 40756886), (4, 20378443), (157, 519196), (293, 278204), (314, 259598), (443, 184004), (586, 139102), (628, 129799), (886, 92002), (1172, 69551), (1772, 46001)]