1280923364

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1\times {\mathrm{733}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 2589552000

約数和(自身を除く): 1308628636

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 449, 556, 733, 898, 973, 1466, 1796, 1946, 2932, 3143, 3892, 5131, 6286, 10262, 12572, 20524, 62411, 101887, 124822, 203774, 249644, 329117, 407548, 436877, 658234, 713209, 873754, 1316468, 1426418, 1747508, 2303819, 2852836, 4607638, 9215276, 45747263, 91494526, 182989052, 320230841, 640461682, 1280923364]

約数ペア:

[(1, 1280923364), (2, 640461682), (4, 320230841), (7, 182989052), (14, 91494526), (28, 45747263), (139, 9215276), (278, 4607638), (449, 2852836), (556, 2303819), (733, 1747508), (898, 1426418), (973, 1316468), (1466, 873754), (1796, 713209), (1946, 658234), (2932, 436877), (3143, 407548), (3892, 329117), (5131, 249644), (6286, 203774), (10262, 124822), (12572, 101887), (20524, 62411)]