28740943

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 37854720

約数和(自身を除く): 9113777

約数列:

[1, 7, 11, 29, 61, 77, 203, 211, 319, 427, 671, 1477, 1769, 2233, 2321, 4697, 6119, 12383, 12871, 16247, 19459, 42833, 67309, 90097, 136213, 141581, 373259, 471163, 991067, 2612813, 4105849, 28740943]

約数ペア:

[(1, 28740943), (7, 4105849), (11, 2612813), (29, 991067), (61, 471163), (77, 373259), (203, 141581), (211, 136213), (319, 90097), (427, 67309), (671, 42833), (1477, 19459), (1769, 16247), (2233, 12871), (2321, 12383), (4697, 6119)]