220173668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{384919}}^1$

素因数の和:384947

約数の個数: 24

約数和(自身を含む): 452665920

約数和(自身を除く): 232492252

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 384919, 769838, 1539676, 4234109, 5003947, 8468218, 10007894, 16936436, 20015788, 55043417, 110086834, 220173668]

約数ペア:

[(1, 220173668), (2, 110086834), (4, 55043417), (11, 20015788), (13, 16936436), (22, 10007894), (26, 8468218), (44, 5003947), (52, 4234109), (143, 1539676), (286, 769838), (572, 384919)]