208045497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 319680000

約数和(自身を除く): 111634503

約数列:

[1, 3, 11, 19, 33, 57, 209, 449, 627, 739, 1347, 2217, 4939, 8129, 8531, 14041, 14817, 24387, 25593, 42123, 93841, 154451, 281523, 331811, 463353, 995433, 3649921, 6304409, 10949763, 18913227, 69348499, 208045497]

約数ペア:

[(1, 208045497), (3, 69348499), (11, 18913227), (19, 10949763), (33, 6304409), (57, 3649921), (209, 995433), (449, 463353), (627, 331811), (739, 281523), (1347, 154451), (2217, 93841), (4939, 42123), (8129, 25593), (8531, 24387), (14041, 14817)]