1641809

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 2063040

約数和(自身を除く): 421231

約数列:

[1, 13, 17, 19, 23, 221, 247, 289, 299, 323, 391, 437, 3757, 4199, 5083, 5491, 5681, 6647, 7429, 71383, 86411, 96577, 126293, 1641809]

約数ペア:

[(1, 1641809), (13, 126293), (17, 96577), (19, 86411), (23, 71383), (221, 7429), (247, 6647), (289, 5681), (299, 5491), (323, 5083), (391, 4199), (437, 3757)]