66215248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 140437440

約数和(自身を除く): 74222192

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 439, 857, 878, 1714, 1756, 3428, 3512, 4829, 6856, 7024, 9427, 9658, 13712, 18854, 19316, 37708, 38632, 75416, 77264, 150832, 376223, 752446, 1504892, 3009784, 4138453, 6019568, 8276906, 16553812, 33107624, 66215248]

約数ペア:

[(1, 66215248), (2, 33107624), (4, 16553812), (8, 8276906), (11, 6019568), (16, 4138453), (22, 3009784), (44, 1504892), (88, 752446), (176, 376223), (439, 150832), (857, 77264), (878, 75416), (1714, 38632), (1756, 37708), (3428, 19316), (3512, 18854), (4829, 13712), (6856, 9658), (7024, 9427)]