81875612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5231}}^1$

素因数の和:5298

約数の個数: 48

約数和(自身を含む): 180483072

約数和(自身を除く): 98607460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1204, 2236, 3913, 5231, 7826, 10462, 15652, 20924, 36617, 68003, 73234, 136006, 146468, 224933, 272012, 449866, 476021, 899732, 952042, 1574531, 1904084, 2924129, 3149062, 5848258, 6298124, 11696516, 20468903, 40937806, 81875612]

約数ペア:

[(1, 81875612), (2, 40937806), (4, 20468903), (7, 11696516), (13, 6298124), (14, 5848258), (26, 3149062), (28, 2924129), (43, 1904084), (52, 1574531), (86, 952042), (91, 899732), (172, 476021), (182, 449866), (301, 272012), (364, 224933), (559, 146468), (602, 136006), (1118, 73234), (1204, 68003), (2236, 36617), (3913, 20924), (5231, 15652), (7826, 10462)]