66915568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5119}}^1$

素因数の和:5189

約数の個数: 40

約数和(自身を含む): 139673600

約数和(自身を除く): 72758032

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 5119, 6536, 10238, 13072, 20476, 40952, 81904, 97261, 194522, 220117, 389044, 440234, 778088, 880468, 1556176, 1760936, 3521872, 4182223, 8364446, 16728892, 33457784, 66915568]

約数ペア:

[(1, 66915568), (2, 33457784), (4, 16728892), (8, 8364446), (16, 4182223), (19, 3521872), (38, 1760936), (43, 1556176), (76, 880468), (86, 778088), (152, 440234), (172, 389044), (304, 220117), (344, 194522), (688, 97261), (817, 81904), (1634, 40952), (3268, 20476), (5119, 13072), (6536, 10238)]