1247857135

素因数分解:

$5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{55621}}^1$

素因数の和:56274

約数の個数: 16

約数和(自身を含む): 1714047552

約数和(自身を除く): 466190417

約数列:

[1, 5, 7, 35, 641, 3205, 4487, 22435, 55621, 278105, 389347, 1946735, 35653061, 178265305, 249571427, 1247857135]

約数ペア:

[(1, 1247857135), (5, 249571427), (7, 178265305), (35, 35653061), (641, 1946735), (3205, 389347), (4487, 278105), (22435, 55621)]