164563984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1973}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 344399832

約数和(自身を除く): 179835848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 401, 802, 1604, 1973, 3208, 3946, 5213, 6416, 7892, 10426, 15784, 20852, 25649, 31568, 41704, 51298, 83408, 102596, 205192, 410384, 791173, 1582346, 3164692, 6329384, 10285249, 12658768, 20570498, 41140996, 82281992, 164563984]

約数ペア:

[(1, 164563984), (2, 82281992), (4, 41140996), (8, 20570498), (13, 12658768), (16, 10285249), (26, 6329384), (52, 3164692), (104, 1582346), (208, 791173), (401, 410384), (802, 205192), (1604, 102596), (1973, 83408), (3208, 51298), (3946, 41704), (5213, 31568), (6416, 25649), (7892, 20852), (10426, 15784)]