1263977776

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{8707}}^1$

素因数の和:8969

約数の個数: 40

約数和(自身を含む): 2518074944

約数和(自身を除く): 1254097168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 211, 344, 422, 688, 844, 1688, 3376, 8707, 9073, 17414, 18146, 34828, 36292, 69656, 72584, 139312, 145168, 374401, 748802, 1497604, 1837177, 2995208, 3674354, 5990416, 7348708, 14697416, 29394832, 78998611, 157997222, 315994444, 631988888, 1263977776]

約数ペア:

[(1, 1263977776), (2, 631988888), (4, 315994444), (8, 157997222), (16, 78998611), (43, 29394832), (86, 14697416), (172, 7348708), (211, 5990416), (344, 3674354), (422, 2995208), (688, 1837177), (844, 1497604), (1688, 748802), (3376, 374401), (8707, 145168), (9073, 139312), (17414, 72584), (18146, 69656), (34828, 36292)]