64139992

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{36947}}^1$

素因数の和:36991

約数の個数: 32

約数和(自身を含む): 141880320

約数和(自身を除く): 77740328

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 36947, 73894, 147788, 258629, 295576, 517258, 1034516, 1145357, 2069032, 2290714, 4581428, 8017499, 9162856, 16034998, 32069996, 64139992]

約数ペア:

[(1, 64139992), (2, 32069996), (4, 16034998), (7, 9162856), (8, 8017499), (14, 4581428), (28, 2290714), (31, 2069032), (56, 1145357), (62, 1034516), (124, 517258), (217, 295576), (248, 258629), (434, 147788), (868, 73894), (1736, 36947)]