209156904005

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{608483}}^1$

素因数の和:608586

約数の個数: 48

約数和(自身を含む): 309655073664

約数和(自身を除く): 100498169659

約数列:

[1, 5, 7, 23, 35, 49, 61, 115, 161, 245, 305, 427, 805, 1127, 1403, 2135, 2989, 5635, 7015, 9821, 14945, 49105, 68747, 343735, 608483, 3042415, 4259381, 13995109, 21296905, 29815667, 37117463, 69975545, 97965763, 149078335, 185587315, 259822241, 489828815, 685760341, 853701649, 1299111205, 1818755687, 3428801705, 4268508245, 5975911543, 9093778435, 29879557715, 41831380801, 209156904005]

約数ペア:

[(1, 209156904005), (5, 41831380801), (7, 29879557715), (23, 9093778435), (35, 5975911543), (49, 4268508245), (61, 3428801705), (115, 1818755687), (161, 1299111205), (245, 853701649), (305, 685760341), (427, 489828815), (805, 259822241), (1127, 185587315), (1403, 149078335), (2135, 97965763), (2989, 69975545), (5635, 37117463), (7015, 29815667), (9821, 21296905), (14945, 13995109), (49105, 4259381), (68747, 3042415), (343735, 608483)]