1780452016

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{512803}}^1$

素因数の和:512849

約数の個数: 40

約数和(自身を含む): 4069612544

約数和(自身を除く): 2289160528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 512803, 1025606, 2051212, 3589621, 4102424, 7179242, 8204848, 14358484, 15896893, 28716968, 31793786, 57433936, 63587572, 111278251, 127175144, 222556502, 254350288, 445113004, 890226008, 1780452016]

約数ペア:

[(1, 1780452016), (2, 890226008), (4, 445113004), (7, 254350288), (8, 222556502), (14, 127175144), (16, 111278251), (28, 63587572), (31, 57433936), (56, 31793786), (62, 28716968), (112, 15896893), (124, 14358484), (217, 8204848), (248, 7179242), (434, 4102424), (496, 3589621), (868, 2051212), (1736, 1025606), (3472, 512803)]