28630778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:830

約数の個数: 24

約数和(自身を含む): 47527284

約数和(自身を除く): 18896506

約数列:

[1, 2, 11, 22, 121, 193, 242, 386, 613, 1226, 2123, 4246, 6743, 13486, 23353, 46706, 74173, 118309, 148346, 236618, 1301399, 2602798, 14315389, 28630778]

約数ペア:

[(1, 28630778), (2, 14315389), (11, 2602798), (22, 1301399), (121, 236618), (193, 148346), (242, 118309), (386, 74173), (613, 46706), (1226, 23353), (2123, 13486), (4246, 6743)]