678995356

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{32401}}^1$

素因数の和:32462

約数の個数: 36

約数和(自身を含む): 1328222784

約数和(自身を除く): 649227428

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 5239, 10478, 20956, 32401, 64802, 129604, 421213, 842426, 1004431, 1684852, 2008862, 4017724, 5475769, 10951538, 13057603, 21903076, 26115206, 52230412, 169748839, 339497678, 678995356]

約数ペア:

[(1, 678995356), (2, 339497678), (4, 169748839), (13, 52230412), (26, 26115206), (31, 21903076), (52, 13057603), (62, 10951538), (124, 5475769), (169, 4017724), (338, 2008862), (403, 1684852), (676, 1004431), (806, 842426), (1612, 421213), (5239, 129604), (10478, 64802), (20956, 32401)]