128384888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{1063}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 249231360

約数和(自身を除く): 120846472

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 487, 974, 1063, 1948, 2126, 3896, 4252, 8504, 15097, 30194, 32953, 60388, 65906, 120776, 131812, 263624, 517681, 1035362, 2070724, 4141448, 16048111, 32096222, 64192444, 128384888]

約数ペア:

[(1, 128384888), (2, 64192444), (4, 32096222), (8, 16048111), (31, 4141448), (62, 2070724), (124, 1035362), (248, 517681), (487, 263624), (974, 131812), (1063, 120776), (1948, 65906), (2126, 60388), (3896, 32953), (4252, 30194), (8504, 15097)]