13458978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 31744440

約数和(自身を除く): 18285462

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 113, 117, 226, 234, 339, 509, 678, 1017, 1018, 1469, 1527, 2034, 2938, 3054, 4407, 4581, 6617, 8814, 9162, 13221, 13234, 19851, 26442, 39702, 57517, 59553, 115034, 119106, 172551, 345102, 517653, 747721, 1035306, 1495442, 2243163, 4486326, 6729489, 13458978]

約数ペア:

[(1, 13458978), (2, 6729489), (3, 4486326), (6, 2243163), (9, 1495442), (13, 1035306), (18, 747721), (26, 517653), (39, 345102), (78, 172551), (113, 119106), (117, 115034), (226, 59553), (234, 57517), (339, 39702), (509, 26442), (678, 19851), (1017, 13234), (1018, 13221), (1469, 9162), (1527, 8814), (2034, 6617), (2938, 4581), (3054, 4407)]