256847568

素因数分解:

$2^4\times 3^1\times {\mathrm{1987}}^1\times {\mathrm{2693}}^1$

素因数の和:4691

約数の個数: 40

約数和(自身を含む): 664103328

約数和(自身を除く): 407255760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1987, 2693, 3974, 5386, 5961, 7948, 8079, 10772, 11922, 15896, 16158, 21544, 23844, 31792, 32316, 43088, 47688, 64632, 95376, 129264, 5350991, 10701982, 16052973, 21403964, 32105946, 42807928, 64211892, 85615856, 128423784, 256847568]

約数ペア:

[(1, 256847568), (2, 128423784), (3, 85615856), (4, 64211892), (6, 42807928), (8, 32105946), (12, 21403964), (16, 16052973), (24, 10701982), (48, 5350991), (1987, 129264), (2693, 95376), (3974, 64632), (5386, 47688), (5961, 43088), (7948, 32316), (8079, 31792), (10772, 23844), (11922, 21544), (15896, 16158)]