166688768

素因数分解:

$2^{11}\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 335790000

約数和(自身を除く): 169101232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 409, 512, 796, 818, 1024, 1592, 1636, 2048, 3184, 3272, 6368, 6544, 12736, 13088, 25472, 26176, 50944, 52352, 81391, 101888, 104704, 162782, 203776, 209408, 325564, 407552, 418816, 651128, 837632, 1302256, 2604512, 5209024, 10418048, 20836096, 41672192, 83344384, 166688768]

約数ペア:

[(1, 166688768), (2, 83344384), (4, 41672192), (8, 20836096), (16, 10418048), (32, 5209024), (64, 2604512), (128, 1302256), (199, 837632), (256, 651128), (398, 418816), (409, 407552), (512, 325564), (796, 209408), (818, 203776), (1024, 162782), (1592, 104704), (1636, 101888), (2048, 81391), (3184, 52352), (3272, 50944), (6368, 26176), (6544, 25472), (12736, 13088)]