128423848

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 293034240

約数和(自身を除く): 164610392

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 277, 476, 487, 554, 952, 974, 1108, 1939, 1948, 2216, 3409, 3878, 3896, 4709, 6818, 7756, 8279, 9418, 13636, 15512, 16558, 18836, 27272, 32963, 33116, 37672, 57953, 65926, 66232, 115906, 131852, 134899, 231812, 263704, 269798, 463624, 539596, 944293, 1079192, 1888586, 2293283, 3777172, 4586566, 7554344, 9173132, 16052981, 18346264, 32105962, 64211924, 128423848]

約数ペア:

[(1, 128423848), (2, 64211924), (4, 32105962), (7, 18346264), (8, 16052981), (14, 9173132), (17, 7554344), (28, 4586566), (34, 3777172), (56, 2293283), (68, 1888586), (119, 1079192), (136, 944293), (238, 539596), (277, 463624), (476, 269798), (487, 263704), (554, 231812), (952, 134899), (974, 131852), (1108, 115906), (1939, 66232), (1948, 65926), (2216, 57953), (3409, 37672), (3878, 33116), (3896, 32963), (4709, 27272), (6818, 18836), (7756, 16558), (8279, 15512), (9418, 13636)]