1551189138

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{261407}}^1$

素因数の和:261478

約数の個数: 32

約数和(自身を含む): 3312562176

約数和(自身を除く): 1761373038

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 5934, 261407, 522814, 784221, 1568442, 6012361, 11240501, 12024722, 18037083, 22481002, 33721503, 36074166, 67443006, 258531523, 517063046, 775594569, 1551189138]

約数ペア:

[(1, 1551189138), (2, 775594569), (3, 517063046), (6, 258531523), (23, 67443006), (43, 36074166), (46, 33721503), (69, 22481002), (86, 18037083), (129, 12024722), (138, 11240501), (258, 6012361), (989, 1568442), (1978, 784221), (2967, 522814), (5934, 261407)]