221078204

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{211}}^1\times {\mathrm{1607}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 391348608

約数和(自身を除く): 170270404

約数列:

[1, 2, 4, 163, 211, 326, 422, 652, 844, 1607, 3214, 6428, 34393, 68786, 137572, 261941, 339077, 523882, 678154, 1047764, 1356308, 55269551, 110539102, 221078204]

約数ペア:

[(1, 221078204), (2, 110539102), (4, 55269551), (163, 1356308), (211, 1047764), (326, 678154), (422, 523882), (652, 339077), (844, 261941), (1607, 137572), (3214, 68786), (6428, 34393)]