81656556476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{10253209}}^1$

素因数の和:10253405

約数の個数: 24

約数和(自身を含む): 156751074480

約数和(自身を除く): 75094518004

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 10253209, 20506418, 41012836, 112785299, 225570598, 451141196, 1855830829, 3711661658, 7423323316, 20414139119, 40828278238, 81656556476]

約数ペア:

[(1, 81656556476), (2, 40828278238), (4, 20414139119), (11, 7423323316), (22, 3711661658), (44, 1855830829), (181, 451141196), (362, 225570598), (724, 112785299), (1991, 41012836), (3982, 20506418), (7964, 10253209)]