221907455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18593}}^1$

素因数の和:18647

約数の個数: 32

約数和(自身を含む): 342724608

約数和(自身を除く): 120817153

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 11935, 18593, 92965, 130151, 204523, 576383, 650755, 1022615, 1431661, 2881915, 4034681, 6340213, 7158305, 20173405, 31701065, 44381491, 221907455]

約数ペア:

[(1, 221907455), (5, 44381491), (7, 31701065), (11, 20173405), (31, 7158305), (35, 6340213), (55, 4034681), (77, 2881915), (155, 1431661), (217, 1022615), (341, 650755), (385, 576383), (1085, 204523), (1705, 130151), (2387, 92965), (11935, 18593)]