123519998

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2729}}^1$

素因数の和:2852

約数の個数: 32

約数和(自身を含む): 219360960

約数和(自身を除く): 95840962

約数列:

[1, 2, 7, 14, 53, 61, 106, 122, 371, 427, 742, 854, 2729, 3233, 5458, 6466, 19103, 22631, 38206, 45262, 144637, 166469, 289274, 332938, 1012459, 1165283, 2024918, 2330566, 8822857, 17645714, 61759999, 123519998]

約数ペア:

[(1, 123519998), (2, 61759999), (7, 17645714), (14, 8822857), (53, 2330566), (61, 2024918), (106, 1165283), (122, 1012459), (371, 332938), (427, 289274), (742, 166469), (854, 144637), (2729, 45262), (3233, 38206), (5458, 22631), (6466, 19103)]