211399573

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23071}}^1$

素因数の和:23113

約数の個数: 24

約数和(自身を含む): 284062464

約数和(自身を除く): 72662891

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 9163, 23071, 161497, 253781, 392207, 1130479, 1776467, 2745449, 4314277, 12435269, 19218143, 30199939, 211399573]

約数ペア:

[(1, 211399573), (7, 30199939), (11, 19218143), (17, 12435269), (49, 4314277), (77, 2745449), (119, 1776467), (187, 1130479), (539, 392207), (833, 253781), (1309, 161497), (9163, 23071)]