28765590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{136979}}^1$

素因数の和:136996

約数の個数: 32

約数和(自身を含む): 78900480

約数和(自身を除く): 50134890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 136979, 273958, 410937, 684895, 821874, 958853, 1369790, 1917706, 2054685, 2876559, 4109370, 4794265, 5753118, 9588530, 14382795, 28765590]

約数ペア:

[(1, 28765590), (2, 14382795), (3, 9588530), (5, 5753118), (6, 4794265), (7, 4109370), (10, 2876559), (14, 2054685), (15, 1917706), (21, 1369790), (30, 958853), (35, 821874), (42, 684895), (70, 410937), (105, 273958), (210, 136979)]