4991380496635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{130374311}}^1$

素因数の和:130374379

約数の個数: 32

約数和(自身を含む): 7008923013120

約数和(自身を除く): 2017542516485

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2945, 7657, 38285, 130374311, 651871555, 1694866043, 2477111909, 4041603641, 8474330215, 12385559545, 20208018205, 32202454817, 52540847333, 76790469179, 161012274085, 262704236665, 383952345895, 998276099327, 4991380496635]

約数ペア:

[(1, 4991380496635), (5, 998276099327), (13, 383952345895), (19, 262704236665), (31, 161012274085), (65, 76790469179), (95, 52540847333), (155, 32202454817), (247, 20208018205), (403, 12385559545), (589, 8474330215), (1235, 4041603641), (2015, 2477111909), (2945, 1694866043), (7657, 651871555), (38285, 130374311)]