199903249

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 254580480

約数和(自身を除く): 54677231

約数列:

[1, 7, 13, 41, 91, 131, 287, 409, 533, 917, 1703, 2863, 3731, 5317, 5371, 11921, 16769, 37219, 37597, 53579, 69823, 117383, 217997, 375053, 488761, 696527, 1525979, 2196739, 4875689, 15377173, 28557607, 199903249]

約数ペア:

[(1, 199903249), (7, 28557607), (13, 15377173), (41, 4875689), (91, 2196739), (131, 1525979), (287, 696527), (409, 488761), (533, 375053), (917, 217997), (1703, 117383), (2863, 69823), (3731, 53579), (5317, 37597), (5371, 37219), (11921, 16769)]