211481144

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{61909}}^1$

素因数の和:61983

約数の個数: 32

約数和(自身を含む): 460610400

約数和(自身を除く): 249129256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 61909, 123818, 247636, 433363, 495272, 866726, 1733452, 3466904, 3776449, 7552898, 15105796, 26435143, 30211592, 52870286, 105740572, 211481144]

約数ペア:

[(1, 211481144), (2, 105740572), (4, 52870286), (7, 30211592), (8, 26435143), (14, 15105796), (28, 7552898), (56, 3776449), (61, 3466904), (122, 1733452), (244, 866726), (427, 495272), (488, 433363), (854, 247636), (1708, 123818), (3416, 61909)]