1987336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 4074840

約数和(自身を除く): 2087504

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 197, 388, 394, 776, 788, 1261, 1576, 2522, 2561, 5044, 5122, 10088, 10244, 19109, 20488, 38218, 76436, 152872, 248417, 496834, 993668, 1987336]

約数ペア:

[(1, 1987336), (2, 993668), (4, 496834), (8, 248417), (13, 152872), (26, 76436), (52, 38218), (97, 20488), (104, 19109), (194, 10244), (197, 10088), (388, 5122), (394, 5044), (776, 2561), (788, 2522), (1261, 1576)]