27856270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 55497312

約数和(自身を除く): 27641042

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 311, 338, 530, 622, 689, 845, 1378, 1555, 1690, 3110, 3445, 4043, 6890, 8086, 8957, 16483, 17914, 20215, 32966, 40430, 44785, 52559, 82415, 89570, 105118, 164830, 214279, 262795, 428558, 525590, 1071395, 2142790, 2785627, 5571254, 13928135, 27856270]

約数ペア:

[(1, 27856270), (2, 13928135), (5, 5571254), (10, 2785627), (13, 2142790), (26, 1071395), (53, 525590), (65, 428558), (106, 262795), (130, 214279), (169, 164830), (265, 105118), (311, 89570), (338, 82415), (530, 52559), (622, 44785), (689, 40430), (845, 32966), (1378, 20215), (1555, 17914), (1690, 16483), (3110, 8957), (3445, 8086), (4043, 6890)]