254865446

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 442641024

約数和(自身を除く): 187775578

約数列:

[1, 2, 11, 22, 31, 53, 62, 106, 121, 242, 341, 583, 641, 682, 1166, 1282, 1643, 3286, 3751, 6413, 7051, 7502, 12826, 14102, 18073, 19871, 33973, 36146, 39742, 67946, 77561, 155122, 198803, 218581, 373703, 397606, 437162, 747406, 1053163, 2106326, 2404391, 4110733, 4808782, 8221466, 11584793, 23169586, 127432723, 254865446]

約数ペア:

[(1, 254865446), (2, 127432723), (11, 23169586), (22, 11584793), (31, 8221466), (53, 4808782), (62, 4110733), (106, 2404391), (121, 2106326), (242, 1053163), (341, 747406), (583, 437162), (641, 397606), (682, 373703), (1166, 218581), (1282, 198803), (1643, 155122), (3286, 77561), (3751, 67946), (6413, 39742), (7051, 36146), (7502, 33973), (12826, 19871), (14102, 18073)]