208551455

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 295335936

約数和(自身を除く): 86784481

約数列:

[1, 5, 7, 35, 47, 97, 235, 329, 485, 679, 1307, 1645, 3395, 4559, 6535, 9149, 22795, 31913, 45745, 61429, 126779, 159565, 307145, 430003, 633895, 887453, 2150015, 4437265, 5958613, 29793065, 41710291, 208551455]

約数ペア:

[(1, 208551455), (5, 41710291), (7, 29793065), (35, 5958613), (47, 4437265), (97, 2150015), (235, 887453), (329, 633895), (485, 430003), (679, 307145), (1307, 159565), (1645, 126779), (3395, 61429), (4559, 45745), (6535, 31913), (9149, 22795)]