205243345

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{7561}}^1$

素因数の和:7716

約数の個数: 16

約数和(自身を含む): 253175760

約数和(自身を除く): 47932415

約数列:

[1, 5, 61, 89, 305, 445, 5429, 7561, 27145, 37805, 461221, 672929, 2306105, 3364645, 41048669, 205243345]

約数ペア:

[(1, 205243345), (5, 41048669), (61, 3364645), (89, 2306105), (305, 672929), (445, 461221), (5429, 37805), (7561, 27145)]