256273812

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{245473}}^1$

素因数の和:245512

約数の個数: 36

約数和(自身を含む): 670144020

約数和(自身を除く): 413870208

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 245473, 490946, 736419, 981892, 1472838, 2209257, 2945676, 4418514, 7118717, 8837028, 14237434, 21356151, 28474868, 42712302, 64068453, 85424604, 128136906, 256273812]

約数ペア:

[(1, 256273812), (2, 128136906), (3, 85424604), (4, 64068453), (6, 42712302), (9, 28474868), (12, 21356151), (18, 14237434), (29, 8837028), (36, 7118717), (58, 4418514), (87, 2945676), (116, 2209257), (174, 1472838), (261, 981892), (348, 736419), (522, 490946), (1044, 245473)]