2017780028

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{378997}}^1$

素因数の和:379034

約数の個数: 24

約数和(自身を含む): 3883971504

約数和(自身を除く): 1866191476

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 5324, 378997, 757994, 1515988, 4168967, 8337934, 16675868, 45858637, 91717274, 183434548, 504445007, 1008890014, 2017780028]

約数ペア:

[(1, 2017780028), (2, 1008890014), (4, 504445007), (11, 183434548), (22, 91717274), (44, 45858637), (121, 16675868), (242, 8337934), (484, 4168967), (1331, 1515988), (2662, 757994), (5324, 378997)]