245991095

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{709}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 353341440

約数和(自身を除く): 107350345

約数列:

[1, 5, 7, 23, 35, 115, 161, 431, 709, 805, 2155, 3017, 3545, 4963, 9913, 15085, 16307, 24815, 49565, 69391, 81535, 114149, 305579, 346955, 570745, 1527895, 2139053, 7028317, 10695265, 35141585, 49198219, 245991095]

約数ペア:

[(1, 245991095), (5, 49198219), (7, 35141585), (23, 10695265), (35, 7028317), (115, 2139053), (161, 1527895), (431, 570745), (709, 346955), (805, 305579), (2155, 114149), (3017, 81535), (3545, 69391), (4963, 49565), (9913, 24815), (15085, 16307)]