678805138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{42209}}^1$

素因数の和:42282

約数の個数: 32

約数和(自身を含む): 1203491520

約数和(自身を除く): 524686382

約数列:

[1, 2, 11, 17, 22, 34, 43, 86, 187, 374, 473, 731, 946, 1462, 8041, 16082, 42209, 84418, 464299, 717553, 928598, 1435106, 1814987, 3629974, 7893083, 15786166, 19964857, 30854779, 39929714, 61709558, 339402569, 678805138]

約数ペア:

[(1, 678805138), (2, 339402569), (11, 61709558), (17, 39929714), (22, 30854779), (34, 19964857), (43, 15786166), (86, 7893083), (187, 3629974), (374, 1814987), (473, 1435106), (731, 928598), (946, 717553), (1462, 464299), (8041, 84418), (16082, 42209)]