261344996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{719}}^1\times {\mathrm{751}}^1$

素因数の和:1496

約数の個数: 36

約数和(自身を含む): 504080640

約数和(自身を除く): 242735644

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 719, 751, 1438, 1502, 2876, 3004, 7909, 8261, 15818, 16522, 31636, 33044, 86999, 90871, 173998, 181742, 347996, 363484, 539969, 1079938, 2159876, 5939659, 11879318, 23758636, 65336249, 130672498, 261344996]

約数ペア:

[(1, 261344996), (2, 130672498), (4, 65336249), (11, 23758636), (22, 11879318), (44, 5939659), (121, 2159876), (242, 1079938), (484, 539969), (719, 363484), (751, 347996), (1438, 181742), (1502, 173998), (2876, 90871), (3004, 86999), (7909, 33044), (8261, 31636), (15818, 16522)]