389081988

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{50741}}^1$

素因数の和:50825

約数の個数: 48

約数和(自身を含む): 1022958720

約数和(自身を除く): 633876732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 7668, 50741, 101482, 152223, 202964, 304446, 456669, 608892, 913338, 1370007, 1826676, 2740014, 3602611, 5480028, 7205222, 10807833, 14410444, 21615666, 32423499, 43231332, 64846998, 97270497, 129693996, 194540994, 389081988]

約数ペア:

[(1, 389081988), (2, 194540994), (3, 129693996), (4, 97270497), (6, 64846998), (9, 43231332), (12, 32423499), (18, 21615666), (27, 14410444), (36, 10807833), (54, 7205222), (71, 5480028), (108, 3602611), (142, 2740014), (213, 1826676), (284, 1370007), (426, 913338), (639, 608892), (852, 456669), (1278, 304446), (1917, 202964), (2556, 152223), (3834, 101482), (7668, 50741)]