687587316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{10937}}^1$

素因数の和:11001

約数の個数: 72

約数和(自身を含む): 1793481984

約数和(自身を除く): 1105894668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 4836, 5239, 10478, 10937, 15717, 20956, 21874, 31434, 32811, 43748, 62868, 65622, 131244, 142181, 284362, 339047, 426543, 568724, 678094, 853086, 1017141, 1356188, 1706172, 1848353, 2034282, 3696706, 4068564, 4407611, 5545059, 7393412, 8815222, 11090118, 13222833, 17630444, 22180236, 26445666, 52891332, 57298943, 114597886, 171896829, 229195772, 343793658, 687587316]

約数ペア:

[(1, 687587316), (2, 343793658), (3, 229195772), (4, 171896829), (6, 114597886), (12, 57298943), (13, 52891332), (26, 26445666), (31, 22180236), (39, 17630444), (52, 13222833), (62, 11090118), (78, 8815222), (93, 7393412), (124, 5545059), (156, 4407611), (169, 4068564), (186, 3696706), (338, 2034282), (372, 1848353), (403, 1706172), (507, 1356188), (676, 1017141), (806, 853086), (1014, 678094), (1209, 568724), (1612, 426543), (2028, 339047), (2418, 284362), (4836, 142181), (5239, 131244), (10478, 65622), (10937, 62868), (15717, 43748), (20956, 32811), (21874, 31434)]