278128452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{3389}}^1$

素因数の和:4380

約数の個数: 48

約数和(自身を含む): 742654080

約数和(自身を除く): 464525628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 977, 1954, 2931, 3389, 3908, 5862, 6778, 6839, 10167, 11724, 13556, 13678, 20334, 20517, 23723, 27356, 40668, 41034, 47446, 71169, 82068, 94892, 142338, 284676, 3311053, 6622106, 9933159, 13244212, 19866318, 23177371, 39732636, 46354742, 69532113, 92709484, 139064226, 278128452]

約数ペア:

[(1, 278128452), (2, 139064226), (3, 92709484), (4, 69532113), (6, 46354742), (7, 39732636), (12, 23177371), (14, 19866318), (21, 13244212), (28, 9933159), (42, 6622106), (84, 3311053), (977, 284676), (1954, 142338), (2931, 94892), (3389, 82068), (3908, 71169), (5862, 47446), (6778, 41034), (6839, 40668), (10167, 27356), (11724, 23723), (13556, 20517), (13678, 20334)]