129203048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{2551}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 261528960

約数和(自身を除く): 132325912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 487, 974, 1948, 2551, 3896, 5102, 6331, 10204, 12662, 20408, 25324, 33163, 50648, 66326, 132652, 265304, 1242337, 2484674, 4969348, 9938696, 16150381, 32300762, 64601524, 129203048]

約数ペア:

[(1, 129203048), (2, 64601524), (4, 32300762), (8, 16150381), (13, 9938696), (26, 4969348), (52, 2484674), (104, 1242337), (487, 265304), (974, 132652), (1948, 66326), (2551, 50648), (3896, 33163), (5102, 25324), (6331, 20408), (10204, 12662)]