81821056

素因数分解:

$2^7\times {\mathrm{383}}^1\times {\mathrm{1669}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 163526400

約数和(自身を除く): 81705344

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 383, 766, 1532, 1669, 3064, 3338, 6128, 6676, 12256, 13352, 24512, 26704, 49024, 53408, 106816, 213632, 639227, 1278454, 2556908, 5113816, 10227632, 20455264, 40910528, 81821056]

約数ペア:

[(1, 81821056), (2, 40910528), (4, 20455264), (8, 10227632), (16, 5113816), (32, 2556908), (64, 1278454), (128, 639227), (383, 213632), (766, 106816), (1532, 53408), (1669, 49024), (3064, 26704), (3338, 24512), (6128, 13352), (6676, 12256)]