28938686

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 22763074

約数列:

[1, 2, 7, 14, 31, 62, 131, 217, 262, 434, 509, 917, 1018, 1834, 3563, 4061, 7126, 8122, 15779, 28427, 31558, 56854, 66679, 110453, 133358, 220906, 466753, 933506, 2067049, 4134098, 14469343, 28938686]

約数ペア:

[(1, 28938686), (2, 14469343), (7, 4134098), (14, 2067049), (31, 933506), (62, 466753), (131, 220906), (217, 133358), (262, 110453), (434, 66679), (509, 56854), (917, 31558), (1018, 28427), (1834, 15779), (3563, 8122), (4061, 7126)]