89641391

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 112814208

約数和(自身を除く): 23172817

約数列:

[1, 7, 17, 53, 61, 119, 233, 371, 427, 901, 1037, 1631, 3233, 3961, 6307, 7259, 12349, 14213, 22631, 27727, 54961, 86443, 99491, 209933, 241621, 384727, 753289, 1469531, 1691347, 5273023, 12805913, 89641391]

約数ペア:

[(1, 89641391), (7, 12805913), (17, 5273023), (53, 1691347), (61, 1469531), (119, 753289), (233, 384727), (371, 241621), (427, 209933), (901, 99491), (1037, 86443), (1631, 54961), (3233, 27727), (3961, 22631), (6307, 14213), (7259, 12349)]