638636334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^2\times {\mathrm{787}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 1472185728

約数和(自身を除く): 833549394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 787, 834, 973, 1574, 1946, 2361, 2919, 4722, 5509, 5838, 11018, 16527, 19321, 33054, 38642, 57963, 109393, 115926, 135247, 218786, 270494, 328179, 405741, 656358, 765751, 811482, 1531502, 2297253, 4594506, 15205627, 30411254, 45616881, 91233762, 106439389, 212878778, 319318167, 638636334]

約数ペア:

[(1, 638636334), (2, 319318167), (3, 212878778), (6, 106439389), (7, 91233762), (14, 45616881), (21, 30411254), (42, 15205627), (139, 4594506), (278, 2297253), (417, 1531502), (787, 811482), (834, 765751), (973, 656358), (1574, 405741), (1946, 328179), (2361, 270494), (2919, 218786), (4722, 135247), (5509, 115926), (5838, 109393), (11018, 57963), (16527, 38642), (19321, 33054)]