81430284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{40153}}^1$

素因数の和:40186

約数の個数: 36

約数和(自身を含む): 205749096

約数和(自身を除く): 124318812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 40153, 80306, 120459, 160612, 240918, 481836, 521989, 1043978, 1565967, 2087956, 3131934, 6263868, 6785857, 13571714, 20357571, 27143428, 40715142, 81430284]

約数ペア:

[(1, 81430284), (2, 40715142), (3, 27143428), (4, 20357571), (6, 13571714), (12, 6785857), (13, 6263868), (26, 3131934), (39, 2087956), (52, 1565967), (78, 1043978), (156, 521989), (169, 481836), (338, 240918), (507, 160612), (676, 120459), (1014, 80306), (2028, 40153)]