178013898

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{139291}}^1$

素因数の和:139370

約数の個数: 24

約数和(自身を含む): 391131936

約数和(自身を除く): 213118038

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 139291, 278582, 417873, 835746, 1253619, 2507238, 9889661, 19779322, 29668983, 59337966, 89006949, 178013898]

約数ペア:

[(1, 178013898), (2, 89006949), (3, 59337966), (6, 29668983), (9, 19779322), (18, 9889661), (71, 2507238), (142, 1253619), (213, 835746), (426, 417873), (639, 278582), (1278, 139291)]