28668990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{136519}}^1$

素因数の和:136536

約数の個数: 32

約数和(自身を含む): 78635520

約数和(自身を除く): 49966530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 136519, 273038, 409557, 682595, 819114, 955633, 1365190, 1911266, 2047785, 2866899, 4095570, 4778165, 5733798, 9556330, 14334495, 28668990]

約数ペア:

[(1, 28668990), (2, 14334495), (3, 9556330), (5, 5733798), (6, 4778165), (7, 4095570), (10, 2866899), (14, 2047785), (15, 1911266), (21, 1365190), (30, 955633), (35, 819114), (42, 682595), (70, 409557), (105, 273038), (210, 136519)]