2028854947

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 2452464000

約数和(自身を除く): 423609053

約数列:

[1, 7, 41, 49, 89, 287, 343, 623, 1621, 2009, 3649, 4361, 11347, 14063, 25543, 30527, 66461, 79429, 144269, 178801, 465227, 556003, 1009883, 1251607, 3256589, 5915029, 7069181, 22796123, 41405203, 49484267, 289836421, 2028854947]

約数ペア:

[(1, 2028854947), (7, 289836421), (41, 49484267), (49, 41405203), (89, 22796123), (287, 7069181), (343, 5915029), (623, 3256589), (1621, 1251607), (2009, 1009883), (3649, 556003), (4361, 465227), (11347, 178801), (14063, 144269), (25543, 79429), (30527, 66461)]